Base de données des plantes d'Afrique

Cyrtorchis crassifolia Schltr.
Protologue : Wiss. Erg. Schwed. Rhodesia-Kongo-Exp. 1911-1912 (1916)
Informations sur le genre : Cyrtorchis
Statut pour TA : accepté (présent)
Synonyme(s) homotypique(s)
 Homocolleticon crassifolia (Schltr.) Szlach. & Olszewski
Ecologie et distribution
Afr. Trop.
Biologie : Epiphytic, or rarely lithophytic dwarf herb; stem to 4 cm long with stout roots and 2-6 distichous closely set leaves, recurved, grey-green, very fleshy, V-shaped in cross section, oblong, 1,5-4-6x0,6-1,2 cm, apex unequally 2-lobed; inflorescences 1-2, 1-4 cm long, densely 3-8-flowered, arching, in axils of lower leaves; peduncle < 1 cm long; flowers creamy white turning orange, not opening wide (bell-shaped), with a hyacinth-like scent (evening); bracts papery, obtuse, 4 mm long; pedicel and ovary c. 1 cm long; sepals lanceolate, acuminate, 0,7-1,4x0,2-0,4 cm, tips recurved; petals similar, slightly smaller; lip lanceolate, 0,7-1,1x c. 0,5 cm, channelled towards base, obscurely 3-lobed; spur 2-3 cm long, slightly incurved, wide-mouthed, tapering.
Ecologie : High-rainfall woodland; (mixed) deciduous woodland; Brachystegia, Brachystegia/Uapaca or Cryptosepalum woodland; on trunks and big horizontal branches of trees, usually sunk in moss and (Usnea) lichen; on, e.g., Julbernardia globiflora, Brachystegia, Monotes, Uapaca kirkiana, Eucalyptus; on rocks in woodland; “on slopes and ridges where there is constant movement of air, never in hollows” (la Croix & al., Orchids Malawi: 267, 1991); very local; 1200-2050 m alt.
  May be confused with Aerangis verdickii.
  Occurrence in Guinea uncertain
  The most distinctive species of Cyrtorchis, much sought after by orchid growers, but possibly the trickiest to grow, and reluctant to flower; not easy to obtain. For cultivation, see Bot. Mag. 20/4: 217, 2003.

Bibliographie pour l'Afrique Australe :
  • LEBRUN, J. P. & A. L. STORK (1995). Enumération des plantes à fleurs d’Afrique tropicale. Monocotyledones: Limnocharitaceae à Poaceae. Énum. Pl. Fleurs Afr. Trop. 3: 126
Plus d'info sur :
voir d'autres informations sous Jstor_African Plant Initiative
voir d'autres informations sous Flore d'Afrique Centrale
voir d'autres informations sous The International Plant Name Index
voir d'autres informations sous Flora of Zimbabwe
voir d'autres informations sous African Plants - a Photo Guide
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