Tridactyle flabellata P.J.Cribb, in Fl. Trop. E. Afr., Orchid.(3): 617 (1989).
Plants erect or with curved stems 6—16 cm long, loots slender and smooth. Leaves suberect, linear, unequally bilobed at the apex, twisted at the base and attached to black-spotted leaf sheaths, 2.5—5 cm long, 2-4 mm wide. Inflorescences 1-3.7 cm long, 3- to 12-flowered. Flowers white with brown anther cap; dorsal sepal elliptic, obtuse, 2.5-4 mm long, 1.5-2 mm wide; lateral sepals obliquely oblong-elliptic, obtuse, 4-5 mm long, 2 mm wide; petals obovate, obtuse, 3 mm long, 2 mm wide; lip flabellate when flattened, erose on the apical margin, 2.5-3 mm long, 3-4 mm wide; spur slightly curved, 4-5 mm long.
Epiphyte in montane forest on steep slopes and ridge tops; 1400-1600 m; flowering in October.
As given for the genus.
Tanzania (Uzungwa Mts.)
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
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