Description from Flora of China
Plants 10-22 cm tall. Tubers ovoid, ca. 10 mm. Stem with 1 or 2 tubular sheaths at base, 2-leaved. Leaves basal, subopposite to somewhat spaced and alternate, elliptic to oblong-lanceolate, 1.5-3 × 0.5-1.5 cm, apex obtuse. Peduncle cylindric, with 2 or 3 lanceolate sterile bracts; rachis 1.5-3.5 cm, subdensely many flowered; floral bracts ovate, shorter than ovary, apex acute. Flowers usually secund, erect, pale green; ovary ca. 3.2 mm including pedicel. Dorsal sepal erect, oblong, concave, ca. 1.6 × 0.8 mm, 1-veined, apex obtuse; lateral sepals oblong-ovate, oblique, ca. 1.5 × 0.8 mm, 1-veined, apex obtuse. Petals erect-ascending, oblong, falcate, ca. 1.2 × 0.5 mm, 1-veined, apex obtuse; lip ovate-lanceolate, ca. 2 × 1 mm, somewhat fleshy, base dilated, shortly spurred, margin entire, apex obtuse; spur conic, ca. 0.8 mm. Column short. Fl. Aug-Sep.
● Bamboo forests; 3200-3600 m. NW Yunnan.