Diaphananthe lecomtei var. tenuicalcar (Stévart & Droissart) P.J.Cribb & Carlsward, Phytotaxa 71: 45 (2012).
Homotypic Synonyms:
Chamaeangis lecomtei var. tenuicalcar Stévart & Droissart, Syst. Bot. 34: 292 (2009).
Description:
Epiphytic herb with a short pendulous stem, up to 6 cm long, 3–10 mm diameter. Leaves up to 11, distichous, coriaceous, elliptic to linear, unequally bilobed, up to 18 × 1.5 cm, lobes distant up to 15 mm, upper lobe rounded, curved inwards, lower lobe very short or lacking. Inflorescences pendulous, 1–5 per plant, racemose, 13–51-flowered, up to 24 cm long, peduncle thin, cylindrical, 0.8–0.9 mm in diameter; bracts amplexicaul, conical, glabrous, 2 × 2 mm; pedicel and ovary cylindrical, straight, 3 mm long. Flowers glabrous, sepals, petal, lip and pedicel beige–orange, spur white translucent; dorsal sepal ovate, apex slightly apiculate, 1.7–1.8 × 1.4– 1.6 mm; lateral sepals ovate, carinate on the abaxial side, apex slightly apiculate 1.6–2 × 1.1–1.3 mm; petals ovate to oblongelliptic, 1.4–1.5 × 0.6–0.8 mm; lip triangular 1.5–1.8 × 1.3–1.6 mm (when spread out); spur cylindrical, slightly curved at the base, 9–12 mm long, inflated-rounded in the apical fifth forming an ovoid sac, 2–2.5 × 1.2 mm; column approximately 2 mm long; pollinia 2, approximately 0.2 mm in diameter; stipes and viscidia not seen.
Habitat:
Epiphyte collected on fallen branches in Hevea plantation and in old secondary forest. Alt. 100–200 m.
Cultivation:
As given for the genus.
Distribution:
Ivory Coast to Gabon
References:
WCSP (2017). 'World Checklist of Selected Plant Families. 26.02-2017; http://apps.kew.org/wcsp/
Images:
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