Description from Flora of China
Plants 8-30 cm tall. Tubers subglobose, ca. 10 mm. Stem with 1 or 2 tubular sheaths at base, 1-leaved. Leaf basal, elliptic, 2-4 × 1-2.5 cm, apex obtuse or acute. Inflorescence 6.5-27 cm; peduncle cylindric, with 2 lanceolate sterile bracts 1-1.5 cm; rachis 2.5-10 cm, sublaxly 4- to many flowered; floral bracts lanceolate, much shorter than to slightly exceeding ovary, apex acuminate. Flowers erect, held close to rachis, color not recorded; ovary straight, 4-7 mm including pedicel. Dorsal sepal erect, ovate, ca. 1.5 × 1 mm, 1-veined, concave at base, apex acute or obtuse; lateral sepals reflexed, oblong-ovate, oblique, ca. 1.5 × 0.8 mm, 1-veined, apex obtuse. Petals erect, ovate, oblique, ca. 1.8 × 1-1.5 mm, somewhat fleshy, 1-veined, apex obtuse or acute; lip lanceolate, ca. 2.5 × 1 mm, base dilated, gradually attenuate from middle toward apex, somewhat fleshy, shortly spurred, margin entire, apex obtuse or acute; spur cylindric-obovoid, ca. 1.5 × 0.75 mm, slightly dilated toward apex, apex obtuse. Column short; anther relatively small. Fl. Aug-Sep.
● Forests; 2600-2800 m. SW Sichuan, NW Yunnan.