African Plant Database


Disa versicolor Rchb. f.
Family : ORCHIDACEAE
Information on the genus : Disa
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Heterotypic
=Disa macowanii Rchb. f.
=Disa hemisphaerophora Rchb. f.
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb; tubers ellipsoid, 4x1 cm, with a “goaty smell” (Rendle, o.c.: 18); sterile stem 4-7 cm tall, 3-5-leaved, leaves oblong-lanceolate, 15-40x1,5 cm; flowering stem 20-70 cm tall, leafy throughout; cauline leaves 9-12, imbricate, sheathing, lanceolate, to 12x1,5 cm, decreasing in size up the stem; inflorescence 6-30 cm long, densely many-flowered; flower colour variable, flowers appearing “yellow in the lower half passing into a deeper rose-colour towards the apex”… the “habit is almost that of Aceras anthropophora” (Rendle, o.c.: 19), i.e. pink, scarlet to reddish, often mottled, flowers facing down, changing colour as they age, vanilla-scented; bracts broadly lanceolate, 10-20 mm long; pedicel and ovary 8-12 mm long; dorsal sepal elliptic-ovate, 4,5-6,5x3,5-4,5 mm, hood-like, with pendent spur from the middle, 4-7 mm long, cylindrical; lateral sepals oblong, 4,5-6,5x2-3 mm; petals falcate, 4-5,5x2-3 mm, deflexed inwards at middle, erect, partially included in hood; lip narrowly oblanceolate, 4,5-5,5x1 mm.
Ecology : Wet grassland; vlei; streamside; lofty boggy places; wet depressions, often in large colonies; with Satyrium longicauda, Habenaria macrostele; 1500-2000 m alt.
  Closely related to D. hircicornis.
  Pollinated by anthophorid bees (genus Amegilla).
  S. Africa, Lesotho, Swaziland.
South. Afr.
Biol./Eco : perennial-Herb, Geophyte- Ht 0.2 - 0.7 m. Alt: ? - 2400 m. Distribution: LES, EC, FS, GA, KN, LP, MP, SWZ

Bibliography for Southern Africa :
  • Wild Flrs Rhodesia : (1976).
  • Orchids of Southern Africa : 222-223 (1999).
 
More info on :
see under Jstor_African Plant Initiative
see under chg
see under Flora of Mozambique
see under African Plants - a Photo Guide
see under Flora of Zimbabwe
 
Map
carte afrique num 43253
 
Record n°43253
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