Platanthera chiloglossa (Tang & F. T. Wang) K. Y. Lang Vasc. Pl. Hengduan Mts. 2: 2523. 1994.

察瓦龙舌唇兰 cha wa long she chun lan

Habenaria chiloglossa Tang & F. T. Wang, Acta Phytotax. Sin. 1: 63. 1951.

Plants 10-31 cm tall. Rootstock creeping, cylindric, stoloniferous. Stem erect or ascending, slightly stout, with 1 or 2 tubular sheaths at base, 1-leaved. Leaf cauline, oblong-elliptic, 2.5-10 × 0.7-3.5 cm, base clasping, apex acute. Peduncle sometimes with 1 small, foliaceous bract; rachis 2-10 cm, 3-10-flowered; floral bracts lanceolate, apex acuminate, basal ones exceeding flowers. Flowers pale yellowish green; pedicel and ovary fusiform, ca. 9 mm. Dorsal sepal erect and connivent with petals, narrowly elliptic, concave, 5.5-6 × ca. 2 mm, 3-veined, margin ciliate, apex obtuse; lateral sepals reflexed, obliquely lanceolate, 5.5-6 × ca. 2 mm, 1-veined, margin ciliate, apex subacuminate. Petals triangular, oblique, ca. 5 × 2-2.2 mm, 1-veined, apex obtuse; lip slightly recurved, ligulate, ca. 6.5 × 1.5 mm, entire, apex obtuse; spur pendulous, cylindric, slightly incurved, ca. 16 mm, exceeding ovary, somewhat dilated toward apex, apex obtuse. Column short; staminodes rectangular, small; anther locules slightly divergent; pollinia ellipsoid, with long caudicles and narrowly oblong viscidia; rostellum erect, short; stigma lobes separate, raised, elliptic, large, extending on either side of mouth of spur. Fl. Aug.

● Forests, grasslands on slopes and along gullies; 2500-3300 m. W Sichuan, Xizang (Zayü), NW Yunnan.