AFRICAN

ORCHIDS

Rhipidoglossum obanense (Rendle) Summerh. in J.Hutchinson & J.M.Dalziel, Fl. W. Trop. Afr. 2: 449 (1936).
Homotypic Synonyms:
Angraecum obanense Rendle, Cat. Pl. Oban: 104 (1913).
Diaphananthe obanensis (Rendle) Summerh., Kew Bull. 14: 142 (1960).
Description:
Plant erect or semi-pendent, with stems to 20 cm long. Leaves spaced out along the apical part of the stem, oblong-lanceolate, falcate, unequally and obtusely bilobed at the apex, 6-11 cm long, 1.5-2.5 cm wide. Inflorescences bearing many flowers spaced very close together, 2-4 cm long; bracts transversely elliptic, 1 mm long; pedicel with ovary 5 mm long. Flowers greenish white; sepals oblong-oval, obtuse, 2-2.5 mm long, 1.5 mm wide; petals round or ovate, 2.25 mm long, 2 mm wide; lip transversely elliptic, retuse, lacking a callus, 1.5 mm long, 3 mm wide; spur inflated in the apical part, 2-3 mm long.
Habitat:
Epiphyte in humid forests.
Cultivation:
As given for the genus, warm to cool growing epiphyte.
Notes:
This species seems to be very close to Rhipidoglossum densiflorum and numerous intermediate forms have been encountered and noted, particularly by William Sanford in Flore du Cameroun (2001).
Distribution:
S. Nigeria to Cameroon
References:
Angraecoid Orchids Stewart, Hermans and Campbell 2006; WCSP (2017). 'World Checklist of Selected Plant Families. 17.03.2017; http://apps.kew.org/wcsp/
Images:
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