| ┌1A. | Leaf laminaLamina: Leaf blade.
variously pinnatePinnate: Pinnate Venation.
ly divided and/or perforateForate: With aperatures or openings.
d .. 2
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| │ | ┌2A. | Plants flowering on adherent stems .. 3
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| │ | │ | ┌3A. | Flowering plants climbing .. 4
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| │ | │ | │ | ┌4A. | Leaf laminaLamina: Leaf blade.
of mature plants slightly to extensively perforateForate: With aperatures or openings.
d, perforations round to rhombicRhombic: 
, extending c. of laminaLamina: Leaf blade.
width on each side of the midrib, abaxialAbaxial: Facing away from the stem of a plant (especially denoting the lower surface of a leaf).
surface of laminaLamina: Leaf blade.
with pubescentPubescent: With a hairy surface.
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; active shoot apicesApices: Plural of apex. End forming a point.
with black mucilage .. 📌6. Rhaphidophora foraminifera
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| │ | │ | │ | └4B. | Leaf laminaLamina: Leaf blade.
of mature plants pinnatisectPinnatisect: Having lobes with incisions that extend almost, or up to midrib.
, the pinnaPinna: A primary division of a pinnate leaf.
e often perforateForate: With aperatures or openings.
d basalBasal: Forming or belonging to a bottom layer or base.
ly and appearing stilted, laminaLamina: Leaf blade.
always glabrousGlabrous: Smooth. Free from hair or down.
; active shoot apicesApices: Plural of apex. End forming a point.
with sparse to copious netted fibre .. 📌7. Rhaphidophora korthalsii
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| │ | │ | │ | └3B. | Flowering plants rheophyticRheophytic: An aquatic plant that lives in fast moving water currents.
, not climbing .. 📌2. Rhaphidophora beccarii
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| │ | ├2B. | Plants flowering on free stems .. 5
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| │ | │ | ┌5A. | AbaxialAbaxial: Facing away from the stem of a plant (especially denoting the lower surface of a leaf).
surface of laminaLamina: Leaf blade.
and apicalApical: Of, relating to, or denoting an apex.
geniculum minutely pubescentPubescent: With a hairy surface.
.. 📌12. Rhaphidophora puberula
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| │ | │ | ├5B. | LaminaLamina: Leaf blade.
and apicalApical: Of, relating to, or denoting an apex.
geniculum not as above .. 6
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| │ | │ | │ | ┌6A. | Leaf laminaLamina: Leaf blade.
up to 53 x 47 cm, sparsely to +/- entirely deeply pinnatipartitePinnatipartite: Having lobes with incisions that extend more than half-way toward the midrib.
to nearly pinnatisectPinnatisect: Having lobes with incisions that extend almost, or up to midrib.
, occasionally with large rhombicRhombic:
perforations adjacent to midrib .. 7
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| │ | │ | │ | │ | ┌7A. | Petiolar sheath extending ~Iz-~I~ along petiolePetiole: Leaf stem.
; laminaLamina: Leaf blade.
coriaceousCoriaceous: Resembling or having the texture of leather.
, sparsely to rarely + entirely pinnatipartitePinnatipartite: Having lobes with incisions that extend more than half-way toward the midrib.
, or pinnatisectPinnatisect: Having lobes with incisions that extend almost, or up to midrib.
.. 📌11. Rhaphidophora nicolsonii
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| │ | │ | │ | │ | └7B. | Petiolar sheath extending to base of apicalApical: Of, relating to, or denoting an apex.
geniculum, laminaLamina: Leaf blade.
sparsely to + entirely deeply pinnatipartitePinnatipartite: Having lobes with incisions that extend more than half-way toward the midrib.
to nearly pinnatisectPinnatisect: Having lobes with incisions that extend almost, or up to midrib.
, occasionally with large rhombicRhombic:
perforations adjacent to midrib .. 📌14. Rhaphidophora tetrasperma
|
| │ | │ | │ | │ | └6B. | Leaf laminaLamina: Leaf blade.
up to 15 x 8 cm, entire or with a few, large ovateOvate: 
to rhomboidRhomboid:
or trapezoidTrapezoid:
perforations extending almost to the margin .. 📌3. Rhaphidophora corneri
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| ├1B. | Leaf laminaLamina: Leaf blade.
entire .. 8
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| │ | ┌8A. | AbaxialAbaxial: Facing away from the stem of a plant (especially denoting the lower surface of a leaf).
surface of laminaLamina: Leaf blade.
and apicalApical: Of, relating to, or denoting an apex.
geniculum pubescentPubescent: With a hairy surface.
.. 📌12. Rhaphidophora puberula
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| │ | ├8B. | LaminaLamina: Leaf blade.
and apicalApical: Of, relating to, or denoting an apex.
geniculum not as above .. 9
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| │ | │ | ┌9A. | Flowering shoots consi9ting of scattered fans of large litter-trapping leaves carried on short stout shoots and held at about 90 deg to the +/- leafless main stem .. 📌1. Rhaphidophora angustata
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| │ | │ | ├9B. | Flowering shoots not as above .. 10
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| │ | │ | │ | ┌10A. | Plant climbing .. 11
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| │ | │ | │ | │ | ┌11A. | Stems scabrid to asperous; spatheSpathe: A large sheathing bract enclosing the flower cluster.
exterior minutely puberulentPuberulent: Covered in soft, downy hairs.
.. 📌8. Rhaphidophora lobbii
|
| │ | │ | │ | │ | ├11B. | Stems smooth; spatheSpathe: A large sheathing bract enclosing the flower cluster.
exterior glabrousGlabrous: Smooth. Free from hair or down.
.. 12
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| │ | │ | │ | │ | │ | ┌12A. | ApicesApices: Plural of apex. End forming a point.
of active stems with netted prophyllProphyll: One of two first leaves to appear on a lateral shoot, usually smaller than the leaves that follow.
, cataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath.
and petiolar sheath .. 📌9. Rhaphidophora maingayi
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| │ | │ | │ | │ | │ | ├12B. | ApicesApices: Plural of apex. End forming a point.
of active stems naked .. 13
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| │ | │ | │ | │ | │ | │ | ┌13A. | SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe.
at anthesisAnthesis: The period during which pollen is presented and/or the stigma is receptive.
3.5-6 cm long, cylindrical to weakly clavateClavate: Club-shaped; thicker at the apex than at the base.
.. 14
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| │ | │ | │ | │ | │ | │ | │ | ┌14A. | SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe.
cylindrical .. 15
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| │ | │ | │ | │ | │ | │ | │ | │ | ┌15A. | Leaf laminaLamina: Leaf blade.
thickly coriaceousCoriaceous: Resembling or having the texture of leather.
to almost fleshy, falcateFalcate: Curved like a sickle; hooked.
-ellipticElliptic: 
lanceolateLanceolate: 
to falcateFalcate: Curved like a sickle; hooked.
-oblongOblong: 
or falcateFalcate: Curved like a sickle; hooked.
-oblanceolateLanceolate:
, 4.5-25.5 x 1.5-5 cm; margins slightly reflexed, this becoming greatly accentuated in dried material .. 📌4. Rhaphidophora crassifolia
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| │ | │ | │ | │ | │ | │ | │ | │ | └15B. | Leaf laminaLamina: Leaf blade.
thinly coriaceousCoriaceous: Resembling or having the texture of leather.
, narrowly falcateFalcate: Curved like a sickle; hooked.
-ellipticElliptic:
to falcateFalcate: Curved like a sickle; hooked.
lanceolateLanceolate:
or falcateFalcate: Curved like a sickle; hooked.
-oblanceolateLanceolate:
, 2.5-16 x 1.2-3 cm, margins flat, leaf drying pale straw-coloured .. 📌9. Rhaphidophora minor
|
| │ | │ | │ | │ | │ | │ | │ | │ | └14B. | SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe.
weakly clavateClavate: Club-shaped; thicker at the apex than at the base.
.. 📌13. Rhaphidophora sylvestris
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| │ | │ | │ | │ | │ | │ | │ | │ | └13B. | SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe.
at anthesisAnthesis: The period during which pollen is presented and/or the stigma is receptive.
9-20 cm long, tapering apicalApical: Of, relating to, or denoting an apex.
ly .. 📌10. Rhaphidophora montana
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| │ | │ | │ | │ | │ | │ | │ | │ | └10B. | Plant rheophyticRheophytic: An aquatic plant that lives in fast moving water currents.
.. 📌2. Rhaphidophora beccarii
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