African Plant Database

Dioscorea minutiflora Engl.
Protologue : Bot. Jahrb. Syst. 7: 332 (1886)
Information on the genus : Dioscorea
Status for MA : accepted (naturalised)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Dioscorea praehensilis var. minutiflora (Engl.) Baker
Synonym(s) Heterotypic
=Dioscorea acarophyta De Wild. (1904)
=Dioscorea multiflora Engl. ex Pax (1892)
=Dioscorea armata De Wild. (1914)
=Dioscorea brevispicata De Wild. (1912)
=*Dioscorea demeusei auct. non De Wild. p.p.
=Dioscorea ealensis De Wild. (1912)
=Dioscorea ekolo De Wild. (1914)
=Dioscorea engbo De Wild. (1914)
=Dioscorea grandebulbosa R. Knuth
=Dioscorea hystrix R. Knuth (1924)
=Dioscorea lilela De Wild. (1912)
=Dioscorea litoie De Wild. (1912)
=Dioscorea pendula R. Knuth (1924)
=Dioscorea pynaertioides De Wild. (1914)
=Dioscorea grandibulbosa R. Knuth (1924)
Ecology and distribution
Trop. Afr.
Biology : Twining stems 6-10 m long, right-twining, with few or no prickles, arising from ends of horizontally radiating branches of a perennial rootstock, forming a network on the ground with multiple tubers; tubers c. 25 cm long, vertical on underside of rootstock branches; roots not spiny; leaves opposite, occasionally alternate; petiole to 10 cm long; blade with 2 pairs of strong basal veins, broadly ovate, orbicular or the uppermost reniform, 5-9-nerved, base cordate or rounded, shortly acuminate, lower leaves to 12x9 cm, upper ones 5x6 cm; male inflorescences of 5-12 fasciculate spikes or panicle of racemes at apex of branches, 17-55 cm long; female panicle of single or paired racemes, to 60 cm long in fruit; capsule 3-4x3,5-4,5 cm; seeds ellipsoid.
Ecology : Fallows; forest edges; gallery forest; swampy forests; forest regrowths; secondary forests; degraded rain-forests; sandy-clayey soils; clearings; very common in rain-forest; 200-1800 m alt.
  Near D. smilacifolia, D. claessensii.
  San Tomé, Príncipe; reported from Madagascar, but it is not for certain that the species occurs in a wild state E of Uganda (Fl. Trop. E. Afr., l.c.). Presence in SW-most Centr. Afr. Rep. not certain (Harris, Vascul. pl. Dzanga-Sangha Res….: 229, 2002).
Biol./Eco : Vine; distribution: Comoros, Africa,
More info on :
see under Jstor_African Plant Initiative
see under Flore d'Afrique Centrale
see under Fgui
see under The International Plant Name Index
see under Catalogue de Madagascar
see under Missouri Botanical Garden
see under African Plants - a Photo Guide
carte afrique num 11248
Record n°11248
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