African Plant Database


Disa ochrostachya Rchb. f.
Family : ORCHIDACEAE
Protologue : Flora 48: 181 (1865)
Information on the genus : Disa
 
 
Status
Status for TA : accepted (present)
 
Synonym(s) Homotypic
 Disa ochrostachya Rchb. f. var. ochrostachya
 
Synonym(s) Heterotypic
=Disa adolphi-fridericii Kraenzl.
=Disa aurantiaca Rchb. f. (1867)
 
Taxon infra-specific
Disa ochrostachya Rchb. f. var. ochrostachya
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb 30-100-120 cm tall; tubers ellipsoid, 2-6x1,5-3 cm; sterile stem to 17 cm tall, with 2-3 erect narrowly elliptic acute leaves 10-20x0,6-1,8 cm; flowering stem covered by broad overlapping leaf sheaths with red markings, the largest 5-10x1-4 cm; inflorescence 13-20-40 cm long, cylindrical, 1,5-3 cm Ø, densely 50-200-flowered; flowers yellow to orange with darker markings, c. 10 mm Ø; bracts narrowly lanceolate, acute, 15-30 mm long; pedicel and ovary 10-15 mm long; dorsal sepal erect, broadly ovate, 5-10x4-8 mm, hood-like, with spur near middle, pendent, 7-12 mm long with narrow mouth and club-like apex; lateral sepals obliquely elliptical, 6-10x3-6 mm; petals erect, obovate, narrowed towards base, 4-8x3-6 mm, 2-lobed, posterior lobe obtuse tongue-like, much larger than the narrow anterior lobe; lip linear, pendent, 4-10x0,5-2 mm.
Ecology : Grassland; wooded or grassy savanna; grassy glades in open woodland or forest; in “Loudetia-Smithia-Protea uhelensis community”; sometimes bogs; 1450-2650 m alt.
  The tubers are used for chikanda (See above under D. erubescens).

Bibliography for Tropical Africa :
  • Darbyshire, I. Kordofami, M. & al. (2015). The plants of Sudan and South Sudan, An annoted checklist. Kew Publishing
 
More info on :
see under Jstor_African Plant Initiative
see under chg
see under Flore d'Afrique Centrale
see under The International Plant Name Index
see under Orchidées d'Afrique Centrale
see under African Plants - a Photo Guide
see under Flora of Zimbabwe
 
Map
carte afrique num 175873
 
Record n°175873
Feedback about this record