Tridactyle virginea P.J.Cribb & la Croix, in Fl. Trop. E. Afr., Orchid.(3): 614 (1989).
Erect or usually trailing epiphytic herb. Stems to c. 40 cm long, 4–5 mm in diameter, rather flattened, covered with old leaf bases. Roots 3 mm in diameter, verrucose. Leaves 3–7, 6–13 cm × 7–11 mm, linear, unequally and acutely 2-lobed at the apex, with a hair-like ligule c. 5 mm long opposite the leaf. Inflorescences arising on the stem opposite leaf axils and among the leaf bases, 1–2.7 cm long, 3–11-flowered. Peduncle very short. Pedicel and ovary 6–7 mm long; bracts brownish, 1.5 mm long. Flowers somewhat campanulate, glistening white with a brick-red anther cap. Sepals and petals ovate, acute or obtuse; sepals 3.5–5 × 1.5–2.5 mm; petals 3.5–4 × 1.5 mm. Lip auriculate at the base, 3-lobed towards the apex, 3–4 mm long, 2–3 mm wide; mid-lobe 1 mm long, triangular, acute; side lobes spreading, similar but slightly shorter; spur 5–7 mm long, more or less parallel to the ovary, slightly inflated in the middle, the apex acute or obtuse. Column 1 mm long.
As given for the genus.
High-level epiphyte in submontane forest, forming large colonies on horizontal branches . Altitude range 1600–1900 m.
S. Tanzania to Malawi
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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