African Plant Database


Dioscorea hirtiflora Benth.
Family : DIOSCOREACEAE
Protologue : Niger Fl. 537 (1849) 
Information on the genus : Dioscorea
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Homotypic
 Dioscorea hirtiflora Benth. subsp. hirtiflora (1849)
 
Synonym(s) Heterotypic
=Dioscorea anthropophagorum var. sylvestris A. Chev.
=Dioscorea dusenii Uline
=Dioscorea hirtiflora var. polyantha (Rendle) Burkill
=Dioscorea polyantha Rendle (1899)
=Dioscorea rubiginosa Benth. (1849)
=Dioscorea stellatopilosa var. cordata De Wild.
=*Dioscorea hirtiflora var. trapnellii Burkill
 
Taxon infra-specific
Dioscorea hirtiflora Benth. subsp. hirtiflora (1849)
Dioscorea hirtiflora subsp. orientalis Milne-Redh. (1972)
Dioscorea hirtiflora subsp. pedicellata Milne-Redh. (1972)
 
Ecology and distribution
Trop. Afr.
Biology : Twining (right-twining) vine to 3-8 m long with annual stems, densely or sparsely beset with spreading or felted stellate or dendroid hairs, rarely almost glabrous (subsp. orientalis); tubers 1-6, annual, to 5 cm Ø, cylindric, descending vertically, branching at top; leaves usually opposite; petiole to 5-9 cm long; blade ovate-cordate to broadly heart-shaped, to 10 x 9,5 cm; acutely acuminate or gradually narrowed to an acute apex, with rather densely scattered stellate hairs beneath; inflorescences descending, spicate or racemose; male: to 3-5 per leaf-axil, to 12-15 cm long; flowers shortly pedicellate or scarcely pedicellate; tepals erect, 1,3-3,5 mm; stamens 3, staminodes 3; female: 2-3, to 16-23 cm long; seeds winged all round.
Ecology : Rain-forest; moist or swampy forest; gallery forest; fallows; inselbergs; secondary scattered-tree grassland; termite mounds; open woodland and grassland; dry evergreen forest; thickets, rocky places; clayey-sandy soils; 0-2440 m alt.
 
More info on :
see under Jstor_African Plant Initiative
see under African Plants - a Photo Guide
 
Map
carte afrique num 174995
 
Record n°174995
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