African Plant Database


Disa equestris Rchb. f.
Family : ORCHIDACEAE
Information on the genus : Disa
 
 
Status
Status for TA : accepted (present)
 
Synonym(s) Heterotypic
=Disa huillensis Fritsch
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial slender herb 30-70 cm tall, “beautiful due to its unusual colouring”; tubers 2, ellipsoid, 1-2,5x0,5-1 cm; sterile stem short, with 1-3 sheathing imbricate leaves, and 1 linear leaf 18-26x0,4-0,7 cm at apex, all purplish-wine-red coloured; flowering stem erect, leafy; leaves 6-19, lanceolate, 5-22x0,5-1,2 cm, grading into bracts; inflorescence 5-20 cm long, 1,5-3,5 cm Ø, laxly 4-40-flowered; flowers mauve, violet or purple; bracts ovate, variable in length, 7-17 mm long; pedicel and ovary 8-13 mm long; dorsal sepal round, hood-like, 5-10x5-10 mm, with spur 6-10 mm long, cylindrical from a conical base, apex often upcurved and subclavate; lateral sepals oblong, 6-8x2,5-5 mm, spreading; petals falcate, oblong, 4-6x1,5-2 mm; lip linear, 4,5-6x1-2 mm, horizontal.
Ecology : Damp meadows growing with Sphagnum, Scleria, Utricularia (Angola); boggy marshy ground near stream with Eriocaulon, etc.; wet dambo grassland; bog; seepage areas in montane grassland; swamp; seasonally inundated savanna; meadows often bordering gallery forest; 595-2185 m alt.
  Closely allied to D. nigerica.

Bibliography for Tropical Africa :
  • Exell, A. & Wild, H. (1995). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[1]: 167

Bibliography for Southern Africa :
  • Wild Flrs Rhodesia : (1976).
 
More info on :
see under Jstor_African Plant Initiative
see under chg
see under Flore d'Afrique Centrale
see under Flora of Mozambique
see under Orchidées d'Afrique Centrale
see under African Plants - a Photo Guide
see under Flora of Zimbabwe
 
Map
carte afrique num 43387
 
Record n°43387
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