Aerangis coursiana (H.Perrier) P.J.Cribb & Carlsward, Phytotaxa 71: 44 (2012).
Homotypic Synonyms:
Chamaeangis coursiana H.Perrier, Notul. Syst. (Paris) 14: 160 (1951).
Microterangis coursiana (H.Perrier) Senghas, Orchidee (Hamburg) 36: 22 (1985).
Description:
Plant erect up to 8-16 cm high, stem 1-2 cm long. Leaves 3-4, narrowly oblanceolate, with conspicuous reticulate venation, 3.5-7.5 cm long, 1.22 cm wide. Inflorescences 6-12 cm long, growing annually from a perennial, leafless, lateral branch; peduncle with a few short sheaths, 1 cm long; rachis 5-7 cm long with numerous small flowers; bracts acuminate, 2 mm long. Flowers 25-35, minute, 4 mm in diameter; dorsal sepal oval, obtuse, 1.6 mm long, 1 mm wide; lateral sepals slightly narrower; petals smaller; lip broadly rhomboid, subacute, 1.5 mm long and wide; spur narrowly club-shaped, shorter than the pedicellate ovary, 2 mm long.
Etymology:
Described in 1951 in honour of collector G. Cours Darne, who accompanied Perrier on several plant collecting expeditions in Madagascar.
Habitat:
Epiphyte in humid highland forest; ca. 900 m; flowering in September.
Cultivation:
As given for the genus.
Distribution:
ENE. Madagascar
References:
CRIBB, Phillip J.; CARLSWARD, B.C.: New combinations in Aerangis, Diaphananthe and Podangis (subtribe Angraecinae) 2012 Phytotaxa, no.71, 2012, p.42 - 47; WCSP (2017). 'World Checklist of Selected Plant Families. 18.01-2017; http://apps.kew.org/wcsp/
Images:
Click on each image to see a larger version.
