African Plant Database

Dioscorea esculenta (Lour.) Burkill
Protologue : Gard. Bull. Straits Settlem. 1: 396, pl. 17 (1917)
Information on the genus : Dioscorea
Basionym : Oncus esculentus Lour.
Status for MA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Oncus esculentus Lour. (1790)
Synonym(s) Heterotypic
=Dioscorea aculeata L. (1754)
=Dioscorea papuana Warb. (1891)
=Dioscorea tiliifolia Kunth (1850)
=Dioscorea fasciculata Roxb. (1814)
=Dioscorea fasciculata var. spinosa Prain
Ecology and distribution
Trop. Afr.
Biology : Climber to 10-12 m, left-twining; with numerous shallow-rooted tubers, digitate or ovate or globose in cultivated forms, c. 12-15x16-20 cm, crown with thicker roots and rigid thorny roots; indumentum of T-shaped hairs on all parts of plant; stems annual, terete; leaves alternate, simple; blade ± ovate, chartaceous, 7-9-veined, base cordate, apex acuminate; petiole 6-14 cm long, terete; inflorescences pendent, simple, 1-2 per leaf axil; male ones racemose, flowers solitary; female ones spicate; capsule very rarely set; seeds unknown.
Ecology : One of the 3 major cultigens of Dioscorea (Fl. Zambes. 12/2: 109, 2009).
  Probably of SE-Asian origin, now widely grown for its edible tubers; introduced “recently” (Burkill, l.c.) to W Africa, under cultivation around the coast, in particular from Ivory Coast to Nigeria.
Biol./Eco : Vine, Geophyte; distribution: Comoros, Africa,

Bibliography for Tropical Africa :
  • Cat. Pl. Vasc. Burkina Faso:60 (2012)
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
see under The International Plant Name Index
see under Missouri Botanical Garden
More information >> ( work in progress )
Record n°200245 created 2009-02-11 - modified 2013-06-28
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