┌1A. | Plants with stems or petiolePetiole: Leaf stem.
s densely scaly (or only scaly near the apexApex: End forming a point.
of the petiolePetiole: Leaf stem.
in young specimens of Philodendron squamipetiolatum).
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│ | ┌2A. | Stems and petiolePetiole: Leaf stem.
s both densely scaly, leaves deeply cordateCordate:
with prominent posteriorPosterior:
lobes.
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│ | │ | ┌3A. | Blades dark green above, with midrib and primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s much paler; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 3-6 pairs, conspicuously branched near leaf margin .. 📌Philodendron verrucosum
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│ | │ | └3B. | Blades medium green above, with midrib and primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s concolorous; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 5-12 pairs, mostly unbranched .. 📌Philodendron squamicaule
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│ | │ | └2B. | Stems not densely scaly, petiolePetiole: Leaf stem.
s mostly densely scaly, except only near the apexApex: End forming a point.
on young specimens, leaves rounded or subcordateCordate:
at the base .. 📌Philodendron squamipetiolatum
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├1B. | Plants not densely scaly on the stems or the petiolePetiole: Leaf stem.
s.
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│ | ┌4A. | Blades rounded, attenuate or only slightly cordateCordate:
at the base, never deeply lobed (note that the most mature leaves of Philodendron delannayi are generally deeply cordateCordate:
-sagittateSagittate:
).
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│ | │ | ┌5A. | Blades elongate, always more than 3 times as long as wide.
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│ | │ | │ | ┌6A. | PetiolePetiole: Leaf stem.
s very short, less than 1/6 the length of the blade; blades oblanceolateLanceolate:
, 24-78 cm long, 3-4 times as long as wide, narrowly rounded or attenuate at the base; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 20-29 pairs .. 📌Philodendron oblanceolatum
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│ | │ | │ | ├6B. | PetiolePetiole: Leaf stem.
s generally longer than 1/6 the length of the blade (except sometimes for P. bonifaziae).
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│ | │ | │ | │ | ┌7A. | Blades 4-9 times as long as wide.
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│ | │ | │ | │ | │ | ┌8A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s obscure on both surfaces; blades oblanceolateLanceolate:
, cordulate at the base, 34-54 cm long, 4-7 times as long as wide, 2.7-6 times as long as petiolePetiole: Leaf stem.
.. 📌Philodendron bonifaziae
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│ | │ | │ | │ | │ | ├8B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s well visible.
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│ | │ | │ | │ | │ | │ | ┌9A. | Blades long-lanceolateLanceolate:
, long-tapering or sometimes rounded at the base, 37-61 cm long, 5-9 times as long as wide, 1.3-2.3 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s numerous and closely spaced .. 📌Philodendron jimenae
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│ | │ | │ | │ | │ | │ | └9B. | Blades lanceolateLanceolate:
, rounded and cordulate at the base, 34-50 cm long, 4.5-5.7 times as long as wide, 2.3-3.7 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 7-9 pairs, widely spaced .. 📌Philodendron mentiens
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│ | │ | │ | │ | ├7B. | Blades 3-4.3 times as long as wide.
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│ | │ | │ | │ | │ | ┌10A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s obscure on both surfaces, blades lanceolateLanceolate:
, attenuate at the base, 28-43 cm long, 3-4.3 times as long as wide, 2.6-5.4 times as long as petiolePetiole: Leaf stem.
; drying black .. 📌Philodendron melanum
|
│ | │ | │ | │ | │ | ├10B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s well visible.
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│ | │ | │ | │ | │ | │ | ┌11A. | Blades obovateOvate:
to ellipticElliptic:
, tapering into a narrow subcordateCordate:
base, 25-44 cm long, 3-4.1 times as long as wide, 3.6-5.8 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 5-13 pairs, widely spaced and curving upward quickly; drying brown .. 📌Philodendron baudoense
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│ | │ | │ | │ | │ | │ | └11B. | Blades lanceolateLanceolate:
, cuneateCuneate:
at both ends, ca. 23 cm long, 3.3-3.6 times as long as wide, 2.3-2.8 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s ca. 13 pairs, curving upwards towards the edge of the blade; drying dark green above, lighter green below .. 📌Philodendron angosturense
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│ | │ | ├5B. | Blades ovateOvate:
, ovateOvate:
-lanceolateLanceolate:
or ellipticElliptic:
, generally less than 3 times as long as wide (but up to 4 times as long in Philodendron clarkei, Philodendron hannoniae, Philodendron heleniae subsp. heleniae, Philodendron tenuipes and juvenile blades of Philodendron delannayi).
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│ | │ | │ | ┌12A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s obscure or scarcely visible.
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│ | │ | │ | │ | ┌13A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s mostly obscure; petiolePetiole: Leaf stem.
sheathed for most of its length; blades ovateOvate:
-lanceolateLanceolate:
, subcordateCordate:
at the base, 17.5-27 cm long, 2.2-2.9 times as long as wide, 2-3.5 times as long as petiolePetiole: Leaf stem.
; drying palebrown .. 📌Philodendron mansellii
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│ | │ | │ | │ | ├13B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s scarcely visible, but still somewhat distinct; petiolePetiole: Leaf stem.
not sheathed for most of its length.
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│ | │ | │ | │ | │ | ┌14A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s ca. 10 pairs; blades ovateOvate:
, rounded to weakly subcordateCordate:
at the base, ending with a long acumen, widest near the base, 23-25 cm long, 13-14 cm wide, ca. 1.7 times as long as wide, 1.6-1.9 times as long as petiolePetiole: Leaf stem.
; drying brownish green above and brown below .. 📌Sterile species #1
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│ | │ | │ | │ | │ | ├14B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 4-6 pairs; blades less than 23 cm long.
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│ | │ | │ | │ | │ | │ | ┌15A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 5-6 pairs; blades ovateOvate:
-ellipticElliptic:
, broadly cuneateCuneate:
or rounded at the base, 11-23 cm long, 1.6-2 times as long as wide, 1.6-3.6 times as long as petiolePetiole: Leaf stem.
; drying black or dark brown .. 📌Philodendron ellipticum
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│ | │ | │ | │ | │ | │ | └15B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 4-6 pairs; blades ovateOvate:
-ellipticElliptic:
, rounded at the base, 16-19.5 cm long, 1.9-2.3 times as long as wide, 1.7-2.4 times as long as petiolePetiole: Leaf stem.
; drying pale brownish green .. 📌Philodendron coriaceum
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│ | │ | │ | ├12B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s prominent.
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│ | │ | │ | │ | ┌16A. | PetiolePetiole: Leaf stem.
s sulcateSulcate: Furrowed; grooved.
.
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│ | │ | │ | │ | │ | ┌17A. | Blades often subcordateCordate:
, sometimes rounded at the base.
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│ | │ | │ | │ | │ | │ | ┌18A. | Blades ovateOvate:
-subcordateCordate:
, ca. 66 cm long, 1.8 times as long as wide, 0.9 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s ca. 9 pairs, widely spaced, deeply quilted-sunken above; drying black .. 📌Philodendron anthracyne
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│ | │ | │ | │ | │ | │ | └18B. | Blades ovateOvate:
or ovateOvate:
-ellipticElliptic:
, subcordateCordate:
or rounded at the base, 21-51cm long, 1.4-2.7 times as long as wide, 0.7-1.4 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 8-14 pairs, weakly to narrowly sunken or weakly quilted; drying dark grayish brown to yellowish brown .. 📌Philodendron lentii
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│ | │ | │ | │ | │ | ├17B. | Blades generally not subcordateCordate:
.
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│ | │ | │ | │ | │ | │ | ┌19A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s widely spaced, generally 2 cm or more apart; blades pendent, ovateOvate:
-lanceolateLanceolate:
to oblongOblong:
, rounded at the base, with sides mostly parallelParallel: Parallel Venation.
until converging as a broad triangle at the apexApex: End forming a point.
, 2.3-4 times as long as wide; drying light greenish brown .. 📌Philodendron hannoniae
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│ | │ | │ | │ | │ | │ | ├19B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s less than 2 cm apart
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│ | │ | │ | │ | │ | │ | │ | ┌20A. | PetiolePetiole: Leaf stem.
s deeply sulcateSulcate: Furrowed; grooved.
; blades ovateOvate:
-ellipticElliptic:
, rounded or obtuse at the base, broadest below the middle, 19-42 cm long, 1.4-2.5 times as long as wide, 1.1-2.2 times as long as petiolePetiole: Leaf stem.
; drying green or light brown .. 📌Philodendron profundisulcatum
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│ | │ | │ | │ | │ | │ | │ | └20B. | PetiolePetiole: Leaf stem.
s narrowly and sharply sulcateSulcate: Furrowed; grooved.
; blades ovateOvate:
-lanceolateLanceolate:
, rounded or sometimes cuneateCuneate:
at the base, broadest near the middle, 29-49 cm long, 1.9-3.5 times as long as wide, 1.5-2 times longer than petiolePetiole: Leaf stem.
; drying dark brown above and lighter brown below .. 📌Philodendron tenuipes
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│ | │ | │ | │ | ├16B. | PetiolePetiole: Leaf stem.
s not significantly sulcateSulcate: Furrowed; grooved.
.
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│ | │ | │ | │ | │ | ┌21A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s widely spaced, generally 2 cm or more apart.
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│ | │ | │ | │ | │ | │ | ┌22A. | Midrib thick, main veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s generally much paler than blade.
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│ | │ | │ | │ | │ | │ | │ | ┌23A. | Internodes moderately fissured transversely; blades ovateOvate:
-lanceolateLanceolate:
, subcordateCordate:
, never deeply cordateCordate:
, widest near the base, 47-62 cm long, 1.8-3.1 times as long as wide, 1.3-2 times as long as petiolePetiole: Leaf stem.
; drying pale brown .. 📌Philodendron luteonervium
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│ | │ | │ | │ | │ | │ | │ | └23B. | Internodes deeply fissured transversely, sap oozing like butterscotch, turning dark orange; blades ovateOvate:
-lanceolateLanceolate:
, attenuate or subcordateCordate:
at the base, becoming deeply cordateCordate:
on older plants, widest near the base, 34-67 cm long, 1.2-2.6 times as long as wide, 1.0-1.6 times as long as petiolePetiole: Leaf stem.
; drying dark green or brownish green; (juvenile blades oblanceolateLanceolate:
-ellipticElliptic:
, long-tapering into the petiolePetiole: Leaf stem.
at the base, 2.8-4.7 times as long as wide.) .. 📌Philodendron delannayi
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│ | │ | │ | │ | │ | │ | ├22B. | Midrib not particularly thick, main veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s not much paler than blades.
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│ | │ | │ | │ | │ | │ | │ | ┌24A. | Blades narrowly ovateOvate:
, weakly subcordateCordate:
, sometimes obtuse, truncate or rounded at the base, upper surface drying yellow-brown, lower surface drying yellowish to reddish brown, with dark secretory canals .. 📌Philodendron heleniae subsp. heleniae
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│ | │ | │ | │ | │ | │ | │ | └24B. | Blades oblongOblong:
-oblanceolateLanceolate:
, rounded at the base; drying black or dark brown .. 📌Philodendron clarkei
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│ | │ | │ | │ | │ | ├21B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s less than 2 cm apart.
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│ | │ | │ | │ | │ | │ | ┌25A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s often branched, numerous; blades ellipticElliptic:
, occasionally subcordateCordate:
at the base, broadest near the middle, 56-83 cm long, 1.8-2.6 times as long as wide, 1.1-1.3 times as long as petiolePetiole: Leaf stem.
; drying brown .. 📌Philodendron bethoweniae
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│ | │ | │ | │ | │ | │ | └25B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s not branched; petiolePetiole: Leaf stem.
s strongly arching toward apexApex: End forming a point.
; blades ovateOvate:
-subcordateCordate:
to slightly cordateCordate:
, broadest in basalBasal: Forming or belonging to a bottom layer or base.
1/3, 23-38 cm long, 1.4-1.7 times as long as wide, 0.7-1.4 times as long as petiolePetiole: Leaf stem.
; drying green or greenish brown .. 📌Philodendron curvipetiolatum
|
│ | ├4B. | Blades deeply lobed, cordateCordate:
, hastateHastate:
or sagittateSagittate:
.
|
│ | │ | ┌26A. | Blades trisected almost to the base into three similar segments, median segment usually oblanceolateLanceolate:
, 15-45 cm long, 1.9-7.8 times as long as wide, 1-1.5 times as long as lateral segments, lateral segments inequilateral .. 📌Philodendron tripartitum
|
│ | │ | ├26B. | Blades not deeply trisected.
|
│ | │ | │ | ┌27A. | Blades elongate or triangular, sagittateSagittate:
or hastateHastate:
, never ovateOvate:
-cordateCordate:
.
|
│ | │ | │ | │ | ┌28A. | Blades elongate and cordateCordate:
/sagittateSagittate:
, with lobes projecting mostly toward the base (ie parallelParallel: Parallel Venation.
to the midrib).
|
│ | │ | │ | │ | │ | ┌29A. | Blades, sagittateSagittate:
-lanceolateLanceolate:
; posteriorPosterior:
lobes long, triangular or acute, primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s more than 13 pairs, arising at close to a 90° angle.
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│ | │ | │ | │ | │ | │ | ┌30A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 13-18 pairs; blades 16-93 cm long, 1.8-4 times as long as wide, 1-2.1 times as long as petiolePetiole: Leaf stem.
; drying medium brown .. 📌Philodendron sharoniae
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│ | │ | │ | │ | │ | │ | ├30B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s more than 20 pairs.
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│ | │ | │ | │ | │ | │ | │ | ┌31A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s ca. 25 pairs; blades 84-88 cm long, 2.2-2.5 times as long as wide, 0.9 times as long as petiolePetiole: Leaf stem.
s, lower surface with prominent laticiferLaticifer: A laticifer is a type of elongated secretory cell found in the leaves and/or stems of plants that produce latex and rubber as secondary metabolites.
s visible, cross-veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s essentially lacking; drying dark brown above, reddish brown below .. 📌Philodendron pambilarense
|
│ | │ | │ | │ | │ | │ | │ | └31B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 33-36 pairs; blades 97-122 cm long, 2.2-3.1 times as long as wide, 0.97-1.1 times as long as petiolePetiole: Leaf stem.
s, lower surface not exhibiting laticiferLaticifer: A laticifer is a type of elongated secretory cell found in the leaves and/or stems of plants that produce latex and rubber as secondary metabolites.
s, cross-veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s distinct; drying gray green above, pale yellowish brown below .. 📌Philodendron gardeniodorum
|
│ | │ | │ | │ | │ | ├29B. | Blades elongate or triangular, cordateCordate:
or sagittateSagittate:
at base, broadest at the base. Blades, sagittateSagittate:
-lanceolateLanceolate:
; posteriorPosterior:
lobes long, triangular or acute, primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s fewer than 12 pairs, arising at a 50-60° angle.
|
│ | │ | │ | │ | │ | │ | ┌32A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s widely spaced; blades generally elongate, 25-74 cm long, 1.1-3.5 times as long as wide, 0.5-2 times as long as petiolePetiole: Leaf stem.
; drying dark brown or blackish .. 📌Philodendron jodavisianum
|
│ | │ | │ | │ | │ | │ | └32B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s more closely spaced; blades broadly triangular, 21.5-29 cm long, 1.3-1.5 times as long as wide, 1.1-1.2 times as long as petiolePetiole: Leaf stem.
; drying dark brownish green above, medium brownish green below .. 📌Sterile species #9
|
│ | │ | │ | │ | ├28B. | Blades hastateHastate:
with lobes projecting sideways.
|
│ | │ | │ | │ | │ | ┌33A. | Blades deeply hastateHastate:
-lobed at the base, broadly triangular in shape, 28.3-39.5 cm long, 1.1-1.6 times longer than wide, 0.4-0.8 times as long as petiolePetiole: Leaf stem.
, posteriorPosterior:
lobes narrow and elongate, spreading at 95-115° angle, 11.5-24.5 cm long; drying dark gray-brown to greenish above, much paler and yellow-brown below .. 📌Philodendron fibraecataphyllum
|
│ | │ | │ | │ | │ | └33B. | Blades triangular-elongate, cordateCordate:
-sagittateSagittate:
at the base, 24-63 cm long, 1.1-2.3 times longer than wide, 0.7-1.2 times longer than petiolePetiole: Leaf stem.
, posteriorPosterior:
lobes obtuse to rounded, 7.1-20.2 cm long, medial lobes lanceolateLanceolate:
, proportionately much longer than in Philodendron fibraecataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
um; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s fewer and more widely spaced than in Philodendron fibraecataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
um; drying conspicuously yellow-brown .. 📌Philodendron hebetatum
|
│ | │ | │ | ├27B. | Blades ovateOvate:
, mostly deeply cordateCordate:
but sometimes sagittateSagittate:
or hastateHastate:
.
|
│ | │ | │ | │ | ┌34A. | Older blades deeply cordateCordate:
-sagittateSagittate:
, younger blades ovateOvate:
-lanceolateLanceolate:
, attenuate or subcordateCordate:
at the base, all blades widest near the base, 34-67 cm long, 1.2-2.6 times as long as wide, 1.0-1.6 times as long as petiolePetiole: Leaf stem.
; primarily lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s spaced more than 2 cm apart; internodes deeply fissured transversely, sap oozing like butterscotch, turning dark orange; drying dark green or brownish green .. 📌Philodendron delannayi
|
│ | │ | │ | │ | ├34B. | All or most blades deeply cordateCordate:
, sometimes sagittateSagittate:
; no striking dimorphism between older and younger blades; no obvious butterscotchcolored sap on stems.
|
│ | │ | │ | │ | │ | ┌35A. | PetiolePetiole: Leaf stem.
s with wings along their length.
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│ | │ | │ | │ | │ | │ | ┌36A. | PetiolePetiole: Leaf stem.
s with undulated wings along their length, not deeply sulcateSulcate: Furrowed; grooved.
; blades broadly ovateOvate:
-cordateCordate:
, broadest in basalBasal: Forming or belonging to a bottom layer or base.
1/3, 20-44 cm long, 1-1.3 times as long as wide, 0.8-1.4 times as long as petiolePetiole: Leaf stem.
.. 📌Philodendron alatiundulatum
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│ | │ | │ | │ | │ | │ | └36B. | PetiolePetiole: Leaf stem.
s with straight marginal wings which are spreading then reflexed, deeply sulcateSulcate: Furrowed; grooved.
; blades deeply ovateOvate:
-cordateCordate:
, broadest at the base, 23-42 cm long, 1.1-1.6 times as long as wide, 0.8-1.2 times as long as petiolePetiole: Leaf stem.
.. 📌Philodendron alatisulcatum
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│ | │ | │ | │ | │ | ├35B. | PetiolePetiole: Leaf stem.
s without wings along their length.
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│ | │ | │ | │ | │ | │ | ┌37A. | Vining plant with long internodes, climbing high in trees; blades broadly ovateOvate:
-cordateCordate:
, 11-40 cm long, 1.2-1.9 times longer than wide and ca. 1.3 times longer than petiolePetiole: Leaf stem.
, margins hyaline to pale yellowish, upper surface dark green, lower surface slightly paler, often purplish violet; basalBasal: Forming or belonging to a bottom layer or base.
veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 4-5 pair, primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 2-6 pairs; drying gray-green to yellowgreen .. 📌Philodendron hederaceum
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│ | │ | │ | │ | │ | │ | │ | ┌38A. | Adult stems weakly sulcateSulcate: Furrowed; grooved.
on living plants, moderately to conspicuously sulcateSulcate: Furrowed; grooved.
and reddish brown upon drying, usually densely warty; spatheSpathe: A large sheathing bract enclosing the flower cluster.
tube dark red to red-purple inside .. 📌Philodendron hederaceum var. kirkbridei
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│ | │ | │ | │ | │ | │ | │ | └38B. | Adult stems smooth, drying mostly green, weakly striate, never minutely warty; spatheSpathe: A large sheathing bract enclosing the flower cluster.
tube green (sometimes weakly tinged reddish) inside .. 📌Philodendron hederaceum var. hederaceum
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│ | │ | │ | │ | │ | │ | ├37B. | Plants not extensively vining and climbing, and generally with shorter internodes and larger leaves.
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│ | │ | │ | │ | │ | │ | │ | ┌39A. | Plants very large, blades broadly ovateOvate:
, deeply cordateCordate:
at the base, widest near the base, 88-130 cm long, 1.1-1.3 times as long as wide, 0.7-0.9 times as long as petiolePetiole: Leaf stem.
, posteriorPosterior:
lobes 34-41 cm long, 28-38 cm wide, sinusSinus:
rounded, 14-16 cm wide; drying dark brown or dark green .. 📌Philodendron magnum
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│ | │ | │ | │ | │ | │ | │ | ├39B. | Not this combination of characters, plants of more moderate size.
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│ | │ | │ | │ | │ | │ | │ | │ | ┌40A. | At least some of the primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s branching.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | ┌41A. | Blades conspicuously bullate, ovateOvate:
and deeply lobed at the base, widest near the middle, 17-43 cm long, 1.6-2 times as long as wide, 0.5-1.1 times as long as petiolePetiole: Leaf stem.
, medium to dark green above, posteriorPosterior:
lobes projecting inwards; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 9-10 pairs, branching into an extensive network of cross-veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s, all veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s deeply sunken above; drying medium to light green .. 📌Philodendron lynnhannoniae
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│ | │ | │ | │ | │ | │ | │ | │ | │ | ├41B. | Blades not conspicuously bullate; posteriorPosterior:
lobes not projecting inwards; veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s not deeply sunken above; drying reddish brown to dark brown.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌42A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 20-25 pairs, branching extensively; petiolePetiole: Leaf stem.
s dark green and matte when young, soon reddish, verrucous and roughened to transversely wrinkled-ridged; blades ovateOvate:
-sagittateSagittate:
, widest near the middle, 46-85 cm long, 1.3-1.6 times as long as wide; drying reddish brown to dark brown .. 📌Philodendron rugapetiolatum
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├42B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 6-9 pairs, branching less extensively.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌43A. | Blades ovateOvate:
, cordateCordate:
or sometimes sagittateSagittate:
, 25-62 cm long, 0.6-1.75 times as long as wide, drying reddish brown or dark brownish green; inflorescences 1 per axil; spatheSpathe: A large sheathing bract enclosing the flower cluster.
blade cream outside, greenish white inside; spatheSpathe: A large sheathing bract enclosing the flower cluster.
tube green outside, cherry-red inside .. 📌Philodendron brunneicaule
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └43B. | Blades ovateOvate:
, weakly cordateCordate:
to sagittateSagittate:
, 36-87 cm long, 1.3-1.6 times as long as wide, drying dark brown to dark yellow-brown; inflorescences 2-5 per axil; spatheSpathe: A large sheathing bract enclosing the flower cluster.
blade white outside, reddish inside; spatheSpathe: A large sheathing bract enclosing the flower cluster.
tube red-purple to dark reddish outside, red-purple to dark reddish inside .. 📌Philodendron dodsonii
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│ | │ | │ | │ | │ | │ | │ | │ | ├40B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s usually not branching.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | ┌44A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s spaced at least 2 cm apart.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌45A. | Interprimary veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s clearly visible (effectively halving the distance between the primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s).
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌46A. | Blades ovateOvate:
-sagittateSagittate:
, widest at the base.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌47A. | Upper leaf surface densely short-pale-lineate, posteriorPosterior:
rib naked less than 1/3 its length; drying grayish brown above, grayish yellow-brown below .. 📌Philodendron delgadoi
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └47B. | Upper surface lacking short pale lineations, posteriorPosterior:
rib more prominently naked; drying dark brown .. 📌Philodendron subhastatum
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├46B. | Blades broadly ovateOvate:
, widest above the base.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌48A. | Blades deeply cordateCordate:
, midrib and base of primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s thick.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌49A. | Midrib broadly sunken, much paler (yellowish white) above, sometimes tinged reddish or spotted with red, narrowly rounded, paler and purple-spotted below; blades broadly ovateOvate:
-cordateCordate:
, 1.1-1.5 times as long as wide, widest in lower half; drying light to medium brown .. 📌Philodendron ovatoluteum
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └49B. | Midrib flat and paler yellow above, narrowly rounded, paler and tinged purplish violet below; blades narrowly ovateOvate:
-sagittateSagittate:
-cordateCordate:
, 1.2-1.7 times as long as wide, widest near the middle; drying greenish brown to yellowish brown above, reddish brown below .. 📌Philodendron quelalii
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├48B. | Blades not as deeply cordateCordate:
; midrib and base of primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s thinner, concolorous or only slightly paler above.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌50A. | BasalBasal: Forming or belonging to a bottom layer or base.
veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s all free to the base.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌51A. | Blades ovateOvate:
-cordateCordate:
, widest below the middle, dark green and weakly glossy above, moderately paler and semiglossy below; drying medium brown above, light brown below .. 📌Sterile species #4
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └51B. | Blades ovateOvate:
-ellipticElliptic:
and slightly cordateCordate:
, widest near the middle, dark green with sublustrous sheen above, much paler and glossy below; drying dark green above, greenish brown below .. 📌Sterile species #6
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├50B. | Lowest basalBasal: Forming or belonging to a bottom layer or base.
veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s merged at the base into a short posteriorPosterior:
rib.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌52A. | Blades cordateCordate:
-subsagittateSagittate:
, with a narrower sinusSinus:
; stems drying gray-brown and weakly and irregularly folded; petiolePetiole: Leaf stem.
s drying more flattened and broader, two pairs of basalBasal: Forming or belonging to a bottom layer or base.
veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s free to the base with a longer posteriorPosterior:
rib; drying dark olive-green above, yellowgreen below .. 📌Sterile species #2
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └52B. | Blades cordateCordate:
, with a broader sinusSinus:
; stems drying dark brown and closely ribbed and glossy; petiolePetiole: Leaf stem.
s drying more tereteTerete: Cylindrical or slightly tapering, and without substantial furrows or ridges.
and more slender; only one pair of basalBasal: Forming or belonging to a bottom layer or base.
veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s free to the base with a shorter posteriorPosterior:
rib; drying moderately dark gray-brown above, paler gray-brown below .. 📌Sterile species #8
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├45B. | Interprimary veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s not clearly visible.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌53A. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s marcescentMarcescent: Withering but remaining attached to the stem.
, the basalBasal: Forming or belonging to a bottom layer or base.
part persisting brown and intact; blades narrowly ovateOvate:
-ellipticElliptic:
, deeply cordateCordate:
, widest in lower half, 88-105 cm long, 1.8-2.6 times as long as wide, 0.8-1.1 times as long as petiolePetiole: Leaf stem.
s; drying dark brown to dark reddish brown .. 📌Philodendron esmeraldense
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├53B. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s persisting as fibers, blades less than 1.8 times as long as wide.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌54A. | Base of cataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s persisting somewhat intact, upper part reduced to loose fibers, blades ovateOvate:
and deeply cordateCordate:
with elongated sinusSinus:
, widest just above petiolePetiole: Leaf stem.
attachment, 1.6 times as long as wide; drying dark brown above, medium brown below .. 📌Sterile species #7
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├54B. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s persisting entirely as fibers.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌55A. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s persisting as a dense mass of pale fibers; blades ovateOvate:
-sagittateSagittate:
with short sinusSinus:
, widest near the middle, 34-62 cm long, 22-46 cm wide, 1.3-1.6 times as long as than wide; drying dark brown or dark greenish brown .. 📌Philodendron pogonocaule
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └55B. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s persisting as loose fibers, blades ovateOvate:
to ovateOvate:
-triangular, deeply cordateCordate:
-sagittateSagittate:
with widely open sinusSinus:
, widest near the base, 21-59 cm long, 1.1-1.7 times as long as wide; drying light green or medium brown .. 📌Philodendron fragrantissimum
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│ | │ | │ | │ | │ | │ | │ | │ | │ | ├44B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s spaced less than 2 cm apart.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌56A. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 11-18 pairs.
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌57A. | Blades broadly ovateOvate:
and deeply cordateCordate:
, 42-109 cm long, 1-1.9 times as long as wide, 0.56-1.05 times as long as petiolePetiole: Leaf stem.
s; drying dark brown with primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s often turning black .. 📌Philodendron melanoneuron
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│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├57B. | Blades not shaped as above or of that size, drying medium brown or green.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌58A. | PetiolePetiole: Leaf stem.
s obtusely flattened adaxially; blades deeply ovateOvate:
cordateCordate:
, widest at the base, 45-78 cm long, 1.3-1.6 times as long as wide, 0.8-1.0 times as long as petiolePetiole: Leaf stem.
; inflorescences 7-11 per axil, spatheSpathe: A large sheathing bract enclosing the flower cluster.
5-6 cm long; drying medium brown .. 📌Philodendron parvidactylum
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └58B. | PetiolePetiole: Leaf stem.
s D-shaped; blades broadly ovateOvate:
-cordateCordate:
, widest at or near the middle, 20-50 cm long, 0.9-1.7 times longer than wide, 0.5-0.9 times as long as the petiolePetiole: Leaf stem.
; inflorescences 2-4 per axil, spatheSpathe: A large sheathing bract enclosing the flower cluster.
6.5-12 cm long; drying medium brown to greenish brown .. 📌Philodendron grandipes
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├56B. | Primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s generally fewer than 11 pairs (but see P. tenue).
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌59A. | Blades generally ovateOvate:
-triangular and broadest near the base (sometimes ovateOvate:
-lanceolateLanceolate:
in Philodendron tenue), hastateHastate:
-cordateCordate:
.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌60A. | SinusSinus:
V-shaped, acute to almost obtuse, sometimes closed; blades ovateOvate:
-triangular to ovateOvate:
-lanceolateLanceolate:
, 31-78 cm long, 1.2-3.1 times as long as wide, 0.6-1.4 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 8-14 pairs; drying pale green or brown .. 📌Philodendron tenue
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └60B. | SinusSinus:
U-shaped, broadly open; blades ovateOvate:
-triangular, 16-21 cm long, 9-12 cm wide, 1.7-1.8 times as long as wide, ca. 0.7 times as long as petiolePetiole: Leaf stem.
; primary lateral veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s 6 pairs; drying dark green above, reddish brown below .. 📌Sterile species #3
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├59B. | Blades ovateOvate:
-cordateCordate:
(sometimes somewhat ovateOvate:
-triangular in Philodendron sparreorum, but then sinusSinus:
hippocrepiform with posteriorPosterior:
lobes projecting inwards).
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌61A. | SinusSinus:
U-shaped, without a well-developed posteriorPosterior:
rib present (basalBasal: Forming or belonging to a bottom layer or base.
veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins.
s all free to the base); blades not deeply cordateCordate:
, with small posteriorPosterior:
lobes, 17-30 cm long, 1.3-1.7 times as long as wide; drying dark green above, medium brown below .. 📌Sterile species #5
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ├61B. | SinusSinus:
generally hippocrepiform (sometimes U-shaped), with a well-developed posteriorPosterior:
rib present; blades deeply cordateCordate:
, with extensive posteriorPosterior:
lobes often projecting inwards.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌62A. | Blades 0.8-1.3 times as long as wide, broadly ovateOvate:
cordateCordate:
.
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | ┌63A. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s reddish, persisting intact at upper nodes, turning dark brown, ultimately semi-intact with an underlayment of reddish brown to light brown fibers; blades ovateOvate:
to broadly ovateOvate:
, prominently lobed at base, broadest at the point of petiolePetiole: Leaf stem.
attachment or slightly above; drying medium to dark brown .. 📌Philodendron roseocataphyllum
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └63B. | CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
s pale green, turning yellowish and persisting semi-intact at upper nodes; blades ovateOvate:
cordateCordate:
, sometimes sagittateSagittate:
at base, broadest near the middle; drying green or light brown .. 📌Philodendron strictum
|
│ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | │ | └62B. | Blades 1.2-1.6 times as long as wide, narrowly ovateOvate:
cordateCordate:
to ovateOvate:
-triangular, widest near the base, drying light grayish green to gray or dark yellow-brown above, light yellowish brown below .. 📌Philodendron sparreorum
|