Plants 8-12 cm tall. Tubers oblong-ellipsoid, 10-15 × 5-8 mm. Stem with 1 or 2 tubular sheaths at base, 1-leaved. Leaf basal, arising from within basal sheaths, oblong-elliptic or oblong-ovate, 2.5-5 × 0.7-1.6 cm, apex subacute. Inflorescence 7-10 cm; peduncle cylindric, ebracteate; rachis 2-4 cm, laxly to subdensely many flowered; floral bracts lanceolate to ovate-lanceolate, ca. 3 mm, shorter than ovary, apex acuminate. Flowers not resupinate, nodding, yellowish green; ovary distinctly hooked toward apex, not twisted, 3.5-5 mm including pedicel. Dorsal sepal erect, oblong-ovate, 2.5-3.5 × 1-1.6 mm, 1-veined, apex obtuse; lateral sepals spreading, oblong-elliptic, oblique, 3-4 × 1.2-1.8 mm, 1-veined, apex acute. Petals spreading, narrowly ovate-lanceolate, oblique-falcate, 3.5-5 × 0.8-1 mm, somewhat fleshy, 1-veined, apex acute; lip spreading, oblong-ovate, 3-lobed above middle, 3-3.5 × 2-2.2 mm, base dilated and concave, somewhat fleshy; lateral lobes linear, ca. 0.8 mm; mid-lobe narrowly triangular-lanceolate, 1-1.2 mm, slightly broader than lateral lobes, apex acute. Column ca. 1 mm; pollinia globose; viscidia involute, hornlike. Fl. Jun-Aug.
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