Perennial herb 13–22 cm. high.. Tubers obovoid, 1–2 cm. long.. Leaves 1–2, basal, orbicular, 2 cm. long and broad, often shrivelled at time of flowering.. Scape erect, with numerous lanceolate acuminate sheaths, glabrous.. Inflorescence 7–13 cm. long, rather densely many-flowered, ± secund.. Bracts lanceolate, acuminate, nearly as long as the ovary.. Flowers white.. Sepals oblong, ovate or broadly lanceolate, acute, the laterals oblique, 2.5–3 mm. long.. Petals lanceolate or oblong-lanceolate in general shape, 8–9 mm. long, ± papillose, 3-lobed in the upper half; lobes linear, ± parallel, equal, ± 4 mm. long.. Lip elliptical or obovate in the lower half, 3–5-lobed in the upper part, 7–8 mm. long, the 2 outer lobes, when present, short, broad and rounded, the 3 inner lobes long and linear, similar to those of the petals.. Spur markedly incurved, narrowly cylindrical but tapering towards the apex, 5–6 mm. long.
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