Amitostigma farreri Schlechter, Repert. Spec. Nov. Regni Veg. 20: 378. 1924.长苞无柱兰 chang bao wu zhu lan

Orchis farreri (Schlechter) Soó.

Plants 3.5-9 cm tall. Tubers globose, ca. 5 mm in diam. Stem with 2 tubular sheaths at base, 1-leaved. Leaf subbasal, porrect, linear to narrowly oblong, 1.5-5 × 0.1-0.4 cm, apex acute. Rachis 1-flowered; floral bracts narrowly lanceolate, exceeding ovary, apex acute. Flower pink; ovary and pedicel 4-5 mm. Dorsal sepal erect, ovate-oblong, concave, 5-7.5 × 4-5 mm, 3-veined, apex obtuse; lateral sepals ovate-oblong, slightly oblique, 5.5-8 × 4-5 mm, apex subobtuse. Petals connivent with dorsal sepal and forming a hood, broadly ovate, oblique, 5-7 × 4.5-5.5 mm, 3-veined, margin slightly undulate, apex obtuse; lip obovate, 7-12 × 5-8 mm, base broadly cuneate, 3-lobed below middle; lateral lobes triangular, 2-3 × ca. 1 mm, margin crenulate, apex acute; mid-lobe obcordate-obovate, 5-9 × 5-9 mm, margin crenulate, apex notched to form 2 distinct lobules, sinus with a small acute tooth; spur pendulous, straight, conic-cylindric, 3-4 mm, slightly shorter than ovary, apex obtuse; viscidia ellipsoid; stigma lobes oblong. Fl. Aug.

● Grassy slopes; 3600-4200 m. SE Xizang, NW Yunnan.