African Plant Database

Summerhayesia zambesiaca P.J. Cribb
Protologue : Kew Bull. 32(1): 185 (1977)
Information on the genus : Summerhayesia
Status for TA : accepted (present)
Ecology and distribution
Trop. Afr.
Biology : Epiphytic or lithophytic erect herb; stem 2,5-20 cm high, leafy, with stout roots at base; leaves 3-7, distichous, linear, 10-15x1-1,2 cm, folded, thick-textured, yellowish-green, in a fan; inflorescence usually 1 from lower leaf axil, erect or arching, 6-15 cm long, 2-8-flowered, the terminal flower opening first; flowers fleshy, non-resupinate, cream-yellow, rusty hairy outside, 18-22 mm Ø; bracts 4 mm long; pedicel and ovary 20 mm long, rusty hairy, twisted where it joins the rachis; sepals ovate, 13-14x6 mm, the laterals slightly shorter with an extension on the lower side at base at which they are joined for 4 mm under the spur; petals ovate, 11-12x5 mm, spreading; lip entire, boat-shaped, sub-auriculate at base, 11-12x6 mm, fleshy, very concave; spur filiform, 150-240 mm long, straight, pendent; capsules remaining on the plant for 6-8 months before splitting and releasing the seeds.
Ecology : Open woodland with high rainfall and a long dry season; Brachystegia woodland; sometimes riverine and evergreen rain-forest; on open quartzite rock faces, escarpments; on horizontal branches of tall trees; on, e.g. Brachystegia longifolia, Terminalia; 600-2000 m alt.
  Similar to Plectrelminthus caudatus. Also resembling Cyrtorchis species.
  Also in Burundi ?

Bibliography for Tropical Africa :
  • EXELL, A. & WILD, H. (1998). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[2]: 444
More info on :
see under Jstor_African Plant Initiative
see under Flore d'Afrique Centrale
see under The International Plant Name Index
see under Flora of Zimbabwe
More information >> ( work in progress )
Record n°47033
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