AFRICAN

ORCHIDS

Tridactyle oblongifolia Summerh., Kew Bull. 3: 286 (1948).
Description:
Plant small with short, few-branched stems to 8 cm long, with verrucose roots. Leaves narrowly oblong or ligulate, leathery, unequally and obtusely bilobed at the apex, twisted at the base so that they lie in one plane, 2-12 cm long, 7-17 mm wide. Inflorescences very short, to 4 mm long, 2- or 3-flowered. Flowers greenish white, turning yellow with age; dorsal sepal oblong-ovate, acute, 4.8-5.2 mm long, 1.8-2 mm wide; lateral sepals similar but oblique, 4-4.4 mm long, 2-2.5 mm wide; petals lanceolate, acuminate, 4.4-5 mm long, 1-1.2 mm wide; lip entire, lanceolate, acute, with a tooth on each side at the mouth of the spur, 3.7-4.5 mm long, 1-1.3 mm wide; spur filiform, geniculate in basal half, slightly dilated towards the apex, 13-14.5 mm long.
Habitat:
Epiphyte in riverine forest; 900-1300 m; flowering in November and December.
Cultivation:
As given for the genus.
Distribution:
W. Trop. Africa to Uganda
References:
World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ accessed 21.03.2017
Images:
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