棒距舌唇兰 bang ju she chun lan

Habenaria roseotincta W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 13: 210. 1921; Chondradenia doyonensis (Handel-Mazzetti) Vermeulen; Galearis doyonensis (Handel-Mazzetti) P. F. Hunt; Galeorchis doyonensis (Handel-Mazzetti) Soó; Orchis doyonensis Handel-Mazzetti; Platanthera altigena Schlechter.

Plants 8-15 cm tall. Rootstock creeping, cylindric, stoloniferous. Stem erect or ascending, with 1 or 2 tubular sheaths at base, 1-leaved. Leaf cauline, linear or ligulate, 3-4 × 0.4-1 cm, base clasping, apex obtuse to acute. Peduncle slender, sometimes with 1 foliaceous bract; rachis 2-5 cm, 3-10- or more flowered; floral bracts lanceolate to ovate-lanceolate, 6-25 mm, basal ones exceeding ovary, apex acuminate. Flowers white, sometimes flushed with pink; pedicel and ovary fusiform, 4-7 mm. Dorsal sepal erect, connivent with petals, oblong, 5-6.5 × 2-2.2 mm, glabrous, 1-veined, apex acute; lateral sepals spreading, oblong, 5-6.5 × 1.8-2 mm, glabrous, 1-veined, apex acute. Petals ovate to ovate-lanceolate, 4.5-5.5 × 1.5-1.8 mm, 1-veined, apex acute; lip ligulate-lanceolate, 5-6 × ca. 2 mm, thickened, entire, apex acute; spur pendulous, clavate-fusiform, 3-4 mm, shorter than ovary, neck narrowed, apex obtuse-rounded. Column short; staminodes small; anther locules nearly parallel; pollinia obovoid, with short caudicles and elliptic viscidia; rostellum small; stigma lobes separate, raised, globose, extending on either side of mouth of spur. Fl. Sep.

Alpine grasslands; 3400-3800 m. Xizang (Mêdog, Zayü), Yunnan (Dêqên, Fugong, Gongshan) [N Myanmar].