African Plant Database

Habenaria uncicalcar Summerh.
Protologue : Kew Bull. 16: 271 (1962)
Information on the genus : Habenaria
Status for TA : accepted (present)
Synonym(s) Heterotypic
=Habenaria sylviae Geerinck
Ecology and distribution
Trop. Afr.
Biology : Terrestrial slender herb 30-70 cm tall, glabrous; tubers ± ellipsoid, 1,8-3x1-2 cm; leaves cauline, 8-13, spread, the largest at mid-stem, lanceolate, 3,5-8x0,8-1,5 cm, dark glossy green, bases of leaves enfolding stem; inflorescence 10-25 cm long, laxly 12-25-flowered; flowers green, resupinate, hold horizontally, fragrant; bracts leafy, broadly lanceolate, 13-28 mm long; pedicel and ovary 12-20 mm long, arched; dorsal sepal erect, ovate, concave, 7-12x4-9 mm; laterals deflexed, lanceolate, 8-12x3-5 mm; petals 2-lobed from near base, lobes linear; upper lobe erect, curved, 6-12 mm long, lying beside dorsal sepal; lower lobe 7-15 mm long, curved forwards; lip deflexed, 3-lobed from a short claw, lobes linear; midlobe 6-10 mm long; side lobes c. 10 mm long; spur 8-11 mm long, “swollen into an ellipsoid vesicle at the apex and is usually curved upwards about the middle so that the swollen end projects above the curved ovary” (Kew Bull. 16: 273, 1962).
Ecology : Brachystegia, Brachystegia-Uapaca or mixed woodland; rocky areas in open woodland; bush; grassland usually on sandy soil; in wet peaty soil among long grass; 660-1700 m alt.
  ? Burundi (Geerinck in Taxonom. 9: 7, 2003).

Bibliography for Tropical Africa :
  • Exell, A. & Wild, H. (1995). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[1]: 87-88
More info on :
see under Jstor_African Plant Initiative
see under Flore d'Afrique Centrale
see under The International Plant Name Index
see under Flora of Zimbabwe
More information >> ( work in progress )
Record n°45412
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