BO Materials for a Flora of the Malayan Peninsula. 



Leaves with stellate hairs. Sepals ovate ... 6. D. orbiculata. 



Leaves quite glabrous, not deeply cordate. 

 Leaves thin textured. 



Buds gibbous at base. Petals ovate ••• 7. D. gibbiflora. 



Buds not gibbous. Petals oblong ••• 8. D. zollingeriana. 



Buds not gibbous. Petals oblong spathulate 9. D. glabra. 



Leaves sub-coriaceous linear or elliptic ... 10. D. laurifolia. 



Leaves very coriaceous ovate oblong ••• ... 11. D. defiexa. 



Leaves deeply cordate. 



Stem terete sepals linear ••• 12. D. saliva. 



Stem 4 angled, sepals oblong or lanceolate 13. D. alata. 



1. D. DAEMONA, Roxb. Fl. Ind. III. 805. Root a large tuber. 

 Stem terete spiny glaucous. Leaves trifoliolate, petiole 3 to G inches 

 long, leaflets ovate cuspidate, narrowed at the base and petiolulate, 

 lateral leaflets inaequilateral 5-G nerved reticulate, 3 to 7 inches long 

 2 to 4 inches wide, nerves hairy. Male panicles long lax 6-12 inches 

 long, branches distant tomentose, flowers very small crowded. Bracts 

 short ovate tomentose. Perianth lobes 3 ovate tomentose. Stamens 

 6 filaments short and thick. Female spikes solitary. Capsule oblong 

 with 3 stout ridges or wings, 2 inches long f inch across tomentose. 

 Seeds one inch long oblong. Wight Ic. t. 811. Hook. fil. Fl. Brit. Ind. 

 VI 289 D. virosa, Wall. Cat. 5099. Kunth. Enum. V. 413. D. hirsuta 

 Demist. Schluess. Hort. Mai. 33. Bl. Enum. I. p. 21. Miq. Fl. Ind. 

 Bat. III. 373. Hebnia daemona Kunth. I.e. 437. 



Singapore: Changi (Ridley) ; Malacca: Sungei Hudangand Malaka 

 Pindah (Goodenough) ; Selangor : Kwala Lumpur (Ridley 4596) ; Perak : 

 Larut (4190); Penang : Muka Head (Curtis 2415). Distrib. India. 

 Burmah, Siam, Malay Islands. 



Common round villages more or less cultivated. The tubers after 

 slicing and washing in running water are eaten, and an extract from 

 them is sometimes used in making dart poison. Native name " Gadung." 



2. D. PENTAPHYLLA, L. Sp. PL 1032. Roots tuberous. Stems 

 long twining bulbiferous. Leaves 3 to 5 foliolate. Petiole 1^ to 2 

 inches long brown-tomentose, leaflets unequal elliptic cuspidate 

 glabrous above, red tomentose beneath on the nerves, 2 inches long 

 2 inch wide, petiulules \ inch long. Male panicles 2 feet long with 

 long tomentose blanches. Flowers sessile very crowded white and 

 fragrant. Bracts lanceolate as long as the flowers. Sepals lanceolate 

 acute pubescent. Petals shorter and blunter. Stamens 3. Stami- 

 nodes 3 very short. Pisfcillode conic rather large. Female spikes 

 solitary or panicled 6 to 8 inches long flowers scattered £ inch long, 

 ovary pubescent. Sepals ovate edges hairy. Capsule rounded at 

 both ends or base cordate and tip apiculate \ to I inch long. 



