Terrestrial herb 8–40 cm. high.. Root-tubers ellipsoid, 1–2.5 cm. long, 1–1.3 cm. in diameter, woolly.. Stem slender, erect, with 1 or 2 scarious sheaths and 1 or 2 (rarely 3) leaves at the base and several lanceolate acuminate sheaths above, glandular hairy above.. Leaves erect or spreading, lanceolate, elliptical or oblong-elliptical, acuminate to obtuse, 3–14 cm. long, 1–3.5 cm. broad, glabrous.. Inflorescence laxly or rarely densely 3–30-fiowered, 5–18 cm. long; rhachis glandular hairy.. Bracts lanceolate, acuminate, shorter than the ovary, sparsely hairy.. Flowers pink, mauve or purple, base of lip paler with dark spots, suberect; pedicel with ovary ± 1 cm. long.. Dorsal sepal ovate, subacute, 3–6 mm. long, convex; laterals spreading, semi-orbicular, obtuse, 4.5–8 mm, long.. Petals obliquely ovate, elliptical or oblong, 3–4.5 mm, long, obtuse.. Lip cuneate in general shape, ± truncate and shortly 3-lobed or 3-dentate at the apex, with a short rounded lobe on each side at the base, 6–9.5 mm. long.. Spur ± incurved, slender, 5–8.5 mm. long.. Column ± 1.5 mm. long; anther-canals short but distinct; rostellum middle lobe very small.. Ovary glandular hairy.
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