African Plant Database


Disa zimbabweensis H.P. Linder
Family : ORCHIDACEAE
Information on the genus : Disa
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Heterotypic
=Disa rungweensis subsp. rhodesiaca (Summerh.) Summerh.
=Disa rungweensis var. rhodesiaca Summerh.
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb 10-30 cm tall (the smallest Disa in E Zimbabwe Highlands) with testicular tubers; stem leafy; leaves dimorphic, the lower cauline ones semi-erect, often clustered at stem base, narrowly elliptic-ovate, 4-8x0,6-1,6 cm, the upper ones sheathing, lanceolate-acute; inflorescence 3-12 cm long, densely 10-flowered (or more); flowers pale pink to purple; bracts equalling or overtopping flowers; pedicel and ovary 5-10 mm long; dorsal sepal hood-like, ± hemispherical, 2,5-4,5x2 mm, with horizontal or ascending cylindrical spur from the base 2,7-4 mm long, apex clavate and up-curved; lateral sepals oblong-ovate, 2,5-3,5 x c. 2 mm; petals erect, partially inside hood, obliquely quadrate-obovate, 2-2,8 x c. 2 mm; lip narrowly oblong, 1,7-2,4x0,4-0,8 mm.
Ecology : Grassland, in rock crevices and rocky outcrops; wet flat rock margins; in shallow soil over bedrock; locally abundant; 1800-2000 m alt.
  Closely related to D. rungweensis.
  Self-pollinated (Ball, o.c.: 80).
  S. Africa.
South. Afr.
Biol./Eco : perennial-Herb, Geophyte- Ht 0.1 - 0.3 m. Alt: ? - 2000 m. Distribution: MP

Bibliography for Southern Africa :
  • Orchids of Southern Africa : 270-271 (1999).
 
More info on :
see under Jstor_African Plant Initiative
see under Flora of Mozambique
see under Flora of Zimbabwe
 
Map
carte afrique num 43256
 
Record n°43256
Feedback about this record