African Plant Database


Disa polygonoides Lindl.
Family : ORCHIDACEAE
Information on the genus : Disa
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Heterotypic
=Disa natalensis Lindl.
=Disa chrysostachya auct. sensu Batten & Bokelman
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb with tubers; sterile stem (rarely produced) with 3-4 linear acute ± erect leaves c. 25 cm long; flowering stem 15-70 cm tall with few imbricate cauline leaves if sterile shoot developed, otherwise leaves numerous, linear-lanceolate, 6-25 cm long; inflorescence 3-17 cm long, cylindrical, densely 80-100-flowered; flowers brick-red, rarely orange, < 10 mm Ø; bracts narrowly ovate, acute, as long as flowers; pedicel and ovary 5-10 mm long; dorsal sepal hood-like, elliptic-subovate, 5-7x3-4 mm, with pendent spur from the base of hood, cylindrical, 1,5-4,5 mm long; lateral sepals narrowly oblong, acute, 6-7 mm long; petals narrowly obovate, 4-6x2-3 mm, acute; lip lorate-linear, c. 6x1 mm.
Ecology : Damp and wet grassland; 0-1000 m alt.
  D. polygonoides Kraenzl. 1895, non Lindl. is a synonym of D. deckenii.
  S. Africa, Swaziland (map in Linder & Kurzweil, o.c.: 196).
South. Afr.
Biol./Eco : perennial-Herb, Geophyte- Ht 0.15 - 0.7 m. Alt: 5 - 1000 m. Distribution: EC, GA, KN, LP, MP, NW, SWZ

Bibliography for Southern Africa :
  • Orchids of Southern Africa : 193--195 (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
 
Map
carte afrique num 43213
 
Record n°43213
Feedback about this record