African Plant Database


Dioscorea minutiflora Engl.
Family : DIOSCOREACEAE
Protologue : Bot. Jahrb. Syst. 7: 332 (1886)
Information on the genus : Dioscorea
 
 
Status
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).
Mada.
Biol./Eco : Vine; 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 Flore d'Afrique Centrale
see under Fgui
see under The International Plant Name Index
see under Catalogue de Madagascar
see under African Plants - a Photo Guide
see under Tropicos.org. Missouri Botanical Garden
 
Map
More information >> ( work in progress )
 
Record n°11248
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