Diaphananthe letouzeyi (Szlach. & Olszewski) P.J.Cribb & Carlsward, Phytotaxa 71: 45 (2012).
Homotypic Synonyms:
Chamaeangis letouzeyi Szlach. & Olszewski, in Fl. Cameroun 36: 754 (2001).
Heterotypic Synonyms:
Chamaeangis pauciflora Pérez-Vera, Orchidées Côte D'Ivoire: 234 (2003).
Description:
Epiphytic herb with a short pendulous stem, up to 7 cm long, 5–8 mm diameter. Leaves up to 8, distichous, coriaceous, linear-lanceolate to linear-ovate, unequally bilobed, up to 19.5 × 1.8 cm, lobes distant up to 9 mm, upper lobe rounded to acute, lower lobe very short or lacking. Inflorescences pendulous, up to 6 per plant, fasciculate or ramified at the base, racemose, up to 60-flowered, up to 21 cm long, peduncle thin, cylindrical, 0.8–0.9 mm in diameter; bracts amplexicaul, triangular, acute, glabrous, 2 × 2 mm; pedicel and ovary cylindrical, straight, 2.5–3.5 mm long. Flowers glabrous, yellow–orange; dorsal sepal ovate, convex, obtuse, apex slightly apiculate, 3–3.3 × 2 mm; lateral sepals obliquely ovate, convex, apex slightly apiculate 3.3–3.5 × 2 mm; petals lanceolate, convex, 2.5 × 1 mm; lip ovate-oblong, entire, 2.5–3 × 1.8 mm (when spread out); spur cylindrical,slightly curved, 4–6 mm long, inflated-rounded in the apical fourth forming an globular sac, 1.5 mm; column approximately 0.8 mm long; polliniarium not seen.
Habitat:
In montane forests at elevations around 1800 meters.
Cultivation:
As given for the genus, cool growing epiphyte.
Distribution:
Upper and Lower Guinea Domains (Guinea, Sierra Leone, Liberia, Ivory Coast, Equatorial Guinea (Bioko) and Cameroon).
References:
Angraecoid Orchids Stewart, Hermans and Campbell 2006; Angraecoid Orchids Stewart, Hermans and Campbell 2006; WCSP (2017). 'World Checklist of Selected Plant Families. 26.02-2017; http://apps.kew.org/wcsp/
Images:
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