Plants 30-35 cm tall. Rootstock tuberous, narrowly oblong. Stem erect or ascending, with tubular sheaths at base, 1-leaved. Leaf oblong, 7-8 × 2.7-3 cm, base contracted and clasping, apex obtuse. Peduncle with 2 foliaceous, lanceolate bracts; rachis to 9 cm, subdensely 8-14-flowered; floral bracts lanceolate, basal ones exceeding flowers, apex acuminate. Flowers green; pedicel and ovary cylindric, ca. 7 mm. Dorsal sepal erect, lanceolate, concave, ca. 4.5 mm, glabrous, 1-veined, apex obtuse; lateral sepals reflexed, ligulate-lanceolate, oblique, ca. 5 mm, glabrous, 1-veined, apex obtuse. Petals ovate-lanceolate, oblique, 1-veined, apex subacute; lip ca. 5 × 1.5 mm, entire, basal margin adnate to petals, free part lanceolate, apex obtuse; spur pendulous, slightly incurved, cylindric, ca. 11 mm, apex subobtuse; anther locules slightly divergent; rostellum short, broadly triangular.

● Forests on slopes. NE Yunnan.