Habenaria forrestii Schltr., Notes Roy. Bot. Gard. Edinburgh 5: 101. 1912. Type: CHINA. Yunnan, eastern flank of the Lichiang Range, 11000–12000 ft, 15.09.1906, Forrest G., 2875 (Holotype: E! [E00381990]; Isotype: P! [P00378752]).

Plant slender, 17–33 cm tall. Tubers oblong, 1–2.5 × 0.5–1 cm. Stem with upto 3 tubular sheaths and 2–3 leaves at base. Leaves linear, 1.5–8 × 0.1–0.4 cm, apex acuminate. Inflorescence 12–30 cm; peduncle cylindrical, peduncle-scales 1–3, lanceolate, 3–10 mm; rachis 5.5–13 cm, laxly to sub-densely many flowered; floral bracts ovate-lanceolate, 3–4 mm, much shorter than ovary, apex acuminate. Flowers green, ovary and pedicel 5–8 mm. Dorsal sepal broadly ovate, ca. 2–2.5 × 1.5–2 mm, apex obtuse; lateral sepals oblong, falcate, reflexed, ca. 2–2.5 × 1–1.5 mm, apex obtuse. Petals ovate, oblique, ca. 2–3 × 1–1.5 mm, apex obtuse. Lip lingulate, ca. 3 mm, base concave, entire, apex obtuse; spur pendulous, curving forward, cylindrical, 5–8 mm, ca. equal to or longer than ovary, slightly dilated toward apex. Column ca. 1 mm, pollinia ovoid; caudicles short; viscidia ovate, rostellum triangular, armed, stigma transversely oblong, drawn out at base of lip.

August–September.

Terrestrial on grassy slopes at elevations of 1700–3900 m.

China (Sichuan, Yunnan).

CHINA: Sichuan, Muli, 2600 m, 12.08.1937, Yu T.T., 7674 (PE); Yunnan, without data, Maire E. E., 38 (K).