African Plant Database


Disa similis Summerh.
Family : ORCHIDACEAE
Protologue : Kew Bull. 17: 552 (1964)
Information on the genus : Disa
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb 25-50 cm tall; tubers testicular, 2-3x1 cm; stem leafy with basal sheaths 1-3 cm long; leaves 3-8, cauline ± imbricate, lanceolate, to 12x1,5 cm; inflorescence 7-18 cm long, laxly 10-30-flowered; flowers horizontal, pale violet to blue to mauve, lip yellow; bracts narrowly ovate, acuminate, as long as ovary (10-13 mm long, twisted); dorsal sepal rounded, hood-like, 7-9x5-9 mm, with conical, laterally flattened straight spur 3 mm long, from the middle; lateral sepals oblong-obovate, 7-9x4-6,5 mm, spreading; petals erect, obliquely oblong, 3,5-4,5x1-1,5 mm, with basal anticous lobe 1-2 mm high; lip oblong, rounded, 3,5-4,5x1-2 mm, with 2 side lobes at base.
Ecology : Wet dambos; c. 1400 m alt.
  Distinct by its very short, broadly conical spur.
  Disjunct species: E S. Africa (coast; map in Linder & Kurzweil, o.c.: 213).
South. Afr.
Biol./Eco : perennial-Herb, Geophyte- Ht 0.25 - 0.5 m. Alt: ? - 300 m. Distribution: EC, KN

Bibliography for Southern Africa :
  • Orchids of Southern Africa : 213 (1999).
 
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
 
Map
More information >> ( work in progress )
 
Record n°43230
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