African Plant Database


Disa rhodantha Schltr.
Family : ORCHIDACEAE
Information on the genus : Disa
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb with testicular tubers; sterile stem 3-4 cm long with 3-4 leaves narrowly elliptic 20-30 cm long; flowering stem 30-60 cm long, 8-16-leaved; leaves cauline, ± imbricate, with blades narrowly lanceolate, 3-10 cm long, grading into bracts; inflorescence 10-20 cm long, densely 15-30-flowered; flowers facing down, c. 15 mm Ø, pink to red, lip yellow to pink; bracts c. 20 mm long; pedicel and ovary 10-15 mm long; dorsal sepal hood-like, oblong, 7-10x4-5 mm, with cylindrical spur 7-17 mm long, borne horizontally, soon upcurved; lateral sepals spreading horizontally, concave, oblong, 7-10x3,5-5 mm; petals inside hood, narrowly oblong, 5,5-8x1-2 mm, sometimes serrate at apex; lip pendent, oblanceolate, 6-7x1-2 mm.
Ecology : Grassland.
  Variable: plants from Zimbabwe are somewhat different from the S. African populations in the shape of the spur, but the material is insufficient “at present to consider describing it as a distinct subspecies” (Fl. Zambes., l.c.).
  S. Africa (1500-2000 m alt.).
South. Afr.
Biol./Eco : perennial-Herb, Geophyte- Ht 0.3 - 0.6 m. Alt: 1500 - 2000 m. Distribution: EC, KN, LP, MP

Bibliography for Southern Africa :
  • Fl. Pl. South Africa 13: t.491 (1933).
  • Orchids of Southern Africa : 219-220 (1999).
 
More info on :
see under Jstor_African Plant Initiative
see under Flora of Zimbabwe
 
Map
More information >> ( work in progress )
 
Record n°43218
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