African Plant Database

Dioscorea togoensis R. Knuth
Protologue : Pflanzenr. (Engler) 299 (1924)
Information on the genus : Dioscorea
Status for TA : accepted (present)
Synonym(s) Heterotypic
=Dioscorea caillei A. Chev. ex De Wild. (1914)
Ecology and distribution
Trop. Afr.
Biology : Weak climber, right-twining, 0,6-10 m long; tuber slender, digitate, deep-rooted, replaced annually; roots unarmed; stem mottled, green or red, glabrous, ± spiny, with caducous bulbils, 0,3-1,6 cm, with 1-2 buds between leaves and spikes; leaves opposite, thick; petiole 1-3,5 cm long; blade lanceolate or ovate-lanceolate, 6-10x3-7 cm, base rounded or truncate, rarely slightly cordate, apex slightly acuminate; inflorescence spikes 2-4 in leaf-axils, 5-6 cm long, reflexed upwards; capsule 1,7-2,1 x 2,2-2,6 cm; seed winged.
Ecology : Savanna; open forest; rocky places in forest; regrowths; also colonizing well-cultivated land reverting to scrub.

Bibliography for Tropical Africa :
  • Cat. Pl. Vasc. Burkina Faso:61 (2012)
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
More information >> ( work in progress )
Record n°11272
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