Description from Flora of China
Plants 4-15 cm tall. Tubers ellipsoid to subglobose, 7-20 × 4-12 mm. Stem with 2 or 3 tubular sheaths at base, usually (1 or)2(or 3)-leaved. Leaves basal, subopposite, arising from within basal sheaths, oblong, elliptic, or spatulate, 3-7 × 0.4-2 cm, apex obtuse or acute. Inflorescence 3.5-13 cm; peduncle cylindric, ebracteate; rachis 1-6 cm, laxly few to subdensely many flowered; floral bracts ovate, smaller than ovary, apex obtuse. Flowers nodding, pale green; ovary distinctly hooked toward apex, 3-5 mm including pedicel. Dorsal sepal erect, broadly ovate, concave, ca. 3.2 × 2.5 mm, 3-veined, apex obtuse; lateral sepals spreading, elliptic, oblique, ca. 3 × 1.2 mm, 1- or 2-veined, apex obtuse. Petals spreading, narrowly rhombic to narrowly elliptic, ca. 4 × 1.8 mm, somewhat fleshy, 2-veined, apex obtuse; lip spreading, pandurate, ca. 3.2 × 2.8 mm, somewhat fleshy, base attenuate and shallowly concave, shallowly 3-lobed above middle; lateral lobes triangular, small, apex obtuse; mid-lobe triangular, slightly longer than lateral lobes. Column short; pollinia globose; viscidia involute, hornlike. Fl. Jul-Aug.
● Alpine grasslands; 2500-4100 m. W Sichuan, S and SE Xizang, NW Yunnan.