Base de données des plantes d'Afrique

Disa nyikensis H. P. Linder
Protologue : Contr. Bolus Herb. 9: 96 (1981)
Informations sur le genre : Disa
Statut pour TA : accepté (présent)
Ecologie et distribution
Afr. Trop.
Biologie : Terrestrial herb 20-45 cm tall with tubers; stem red-spotted at base, with imbricate leaves, c. 8, the lowest 2-3 sheathing, others lanceolate, 6-8x2 cm; inflorescence 6-18 cm long, ± densely 10-40-flowered; flowers pale mauve with darker spots; bracts acute-acuminate, ± equalling flowers; pedicel and ovary c. 10 mm long, spotted with purple; dorsal sepal elliptic, acute, c. 6 mm long, hood-like, with spur cylindric-conical, c. 9 mm long, sharply decurved at middle of length; lateral sepals oblong, c. 5x3 mm; petals inside hood, obovate, 3x1,5 mm; lip elliptic, c. 4x2 mm, projecting.
Ecologie : Grassland, in well-drained soil; 2100-2500 m alt.
  According to Fl. Zambes., l.c., it “is probably the high altitude form of Disa equestris…”. But according to la Croix & al. (Fl. Malawi, l.c.) it looks very much like D. aconitoides.
  Not in Fl. Trop. E. Afr., Orchid. 1, 1968, but said to occur in SW Tanzania.

Bibliographie pour l'Afrique Tropicale :
  • Exell, A. & Wild, H. (1995). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[1]: 176
Plus d'info sur :
voir d'autres informations sous Jstor_African Plant Initiative
voir d'autres informations sous The International Plant Name Index
voir d'autres informations sous African Plants - a Photo Guide
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