Key to Adult Flowering Rhaphidophora Plants in Peninsular Malaysia and Singapore


Based on Boyce, 1999

Click on 📌 to highlight and compare characteristics.
Click on the line numbers to select characteristics.



1A. Leaf laminaLamina: Leaf blade. variously pinnatePinnate: Pinnate Venation. ly divided and/or perforateForate: With aperatures or openings. d .. 2
2A. Plants flowering on adherent stems .. 3
3A. Flowering plants climbing .. 4
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
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
3B. Flowering plants rheophyticRheophytic: An aquatic plant that lives in fast moving water currents. , not climbing .. 📌2. Rhaphidophora beccarii
2B. Plants flowering on free stems .. 5
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
5B. LaminaLamina: Leaf blade. and apicalApical: Of, relating to, or denoting an apex. geniculum not as above .. 6
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
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
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
1B. Leaf laminaLamina: Leaf blade. entire .. 8
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
8B. LaminaLamina: Leaf blade. and apicalApical: Of, relating to, or denoting an apex. geniculum not as above .. 9
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
9B. Flowering shoots not as above .. 10
10A. Plant climbing .. 11
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
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
12B. ApicesApices: Plural of apex. End forming a point. of active stems naked .. 13
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
14A. SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. cylindrical .. 15
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
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
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
10B. Plant rheophyticRheophytic: An aquatic plant that lives in fast moving water currents. .. 📌2. Rhaphidophora beccarii
 


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