African Plant Database


Disa saxicola Schltr.
Family : ORCHIDACEAE
Protologue : Bot. Jahrb. Syst. 20: Beibl. n. 50 41 (1895)
Information on the genus : Disa
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Heterotypic
=Disa uliginosa Kraenzl. (1901)
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial, rarely epilithic or epiphytic herb 10-40-60 cm tall; tubers spherical to cylindrical, 1-6x0,5-1,2 cm; stem slender, leafy; leaves 5-10, linear-lanceolate, 7-20x0,5-1,5 cm; inflorescence 2-15 cm long, 1,5-3,5 cm Ø, loosely 5-35-flowered; flowers white or pale pink spotted with red-purple, spur red-purple; bracts leafy, lanceolate, 7-25 mm long; pedicel and ovary 9-14 mm long; dorsal sepal inclined forwards, 5-8x3 mm, forming a deep hood and tapering into a slender spur from below middle 4-10 mm long, straight or decurved; lateral sepals spreading forwards, oblong, 4,5-8x2,5-4,5 mm; petals oblong, 2,5-4,5x1,5-2,8 mm, inside hood; lip linear-spathulate, 3-5x1 mm, projecting forwards.
Ecology : Grassland among and on rocks, in rock crevices on seepage slopes; damp rock crevices and ledges, on large boulders, often in partial shade; often on moss-covered rock and on tree trunks in scrub forest; 1000-2800 m alt. – “frequent among walls and surrounds of the Old Fort on Rhodes’ Inyanga Estate and abundant among boulders of the summit of Uncontoured Peak in the Chimanimanis” (Ball, 2009: 70).
  S. Africa, Swaziland.
South. Afr.
Biol./Eco : perennial-Herb, Geophyte, Lithophyte- Ht 0.1 - 0.4 m. Alt: 960 - 2800 m. Distribution: LP, MP, SWZ

Bibliography for Southern Africa :
  • Fl. Pl. South Africa 13: t.495 (1933).
  • Orchids of Southern Africa : 249 (1999).
 
More info on :
see under Jstor_African Plant Initiative
see under chg
see under The International Plant Name Index
see under Flora of Mozambique
see under African Plants - a Photo Guide
see under Flora of Zimbabwe
 
Map
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Record n°43226
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