Dioscorea minutiflora Engl. |
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Family : DIOSCOREACEAE |
Protologue : Bot. Jahrb. Syst. 7: 332 (1886) |
Information on the genus : Dioscorea |
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Status
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Status for MA : | accepted (naturalised) |
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Status for TA : | accepted (present) |
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Synonym(s) Homotypic |
Dioscorea praehensilis var. minutiflora (Engl.) Baker |
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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) |
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Ecology and distribution |
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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. |
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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. |
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Near D. smilacifolia, D. claessensii. |
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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). |
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Biol./Eco : |
Vine; distribution: Comoros, Africa, |
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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 Tropicos.org. Missouri Botanical Garden |
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Map |
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Record n°11248 |
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