Plants 10-30 cm tall. Rootstock creeping, cylindric, stoloniferous. Stem erect, with 1 or 2 tubular sheaths at base, 1-leaved. Leaf basal, spatulate or elliptic-spatulate, 5-10 × 1-2.5 cm, base contracted and clasping, apex obtuse or acute. Peduncle slender, ridged, with 1 or 2 foliaceous, lanceolate bracts; rachis 3-8 cm, subdensely 4-12-flowered; floral bracts lanceolate, 8-14 mm, nearly as long as flowers, apex acuminate. Flowers yellowish green; pedicel and ovary cylindric, ca. 10 mm. Dorsal sepal erect, forming a hood with petals, broadly ovate or nearly orbicular, cymbiform, 2-3 × ca. 2.5 mm, glabrous, 1(-3)-veined, apex obtuse; lateral sepals spreading, ovate, falcate, 2.5-3.5 × 1.2-1.8 mm, glabrous, 1-veined, apex obtuse. Petals ovate to ovate-lanceolate, oblique, 2-3 × 1-1.3 mm, 1-veined, apex obtuse; lip pendulous, slightly recurved, ligulate to ligulate-lanceolate, 2.5-3 × ca. 1 mm, entire, apex obtuse; spur pendulous, conic, very short, ca. 1 mm, apex usually slightly hooked. Column stout; staminodes subelliptic, small; anther locules slightly divergent; connective rather broad, apex subretuse; pollinia obovoid, with short caudicles and suborbicular viscidia; rostellum broadly triangular, short; stigma lobes confluent, concave, lying directly below rostellum. Fl. Jun-Jul.
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