Tridactyle cruciformis Summerh., Kew Bull. 3: 293 (1948).
Plants usually pendent in large masses, with veriucose roots, and with slender woody stems to 60 cm long, usually upturned at the apex. Leaves grass-like, linear, unequally and acutely bilobed, 7-23 cm long, 1-2.5 mm wide, glossy green. Inflorescences 2-5 cm long, 5- to 9-flowered. Flowers pale green or greenish yellow, browning with age; dorsal sepal ovate-elliptic, obtuse, 2-3 mm long, 1.5 mm wide; lateral sepals similar but slightly longer; petals linear, acute or obtuse, 2-3 mm long, 0.5-1 mm wide; lip strongly 3-lobed at the middle, side lobes spreading, narrower than the mid-lobe, acute, 2—2.5 mm long, 1.8—3 mm wide; spur slender, incurved, 11-13 mm long.
Epiphyte in upland rainforest patches on hills; 600-2200 m; flowering in December and January.
As given for the genus.
Kenya to NE. Tanzania
World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; accessed 21.03.2017
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     Habitat/In situ
tridactyle cruciformis
Photograph© E.Tanner. Swiss Orchid Foundation at the Herbarium Jany Renz Image used with kind permission.