河北盔花兰 he bei kui hua lan

Basionym: Aceratorchis tschiliensis Schlechter, Repert. Spec. Nov. Regni Veg. Beih. 12: 329. 1922; A. albiflora Schlechter; Galeorchis albiflora (Schlechter) Grubov; Orchis aceratorchis Soó; O. tschiliensis (Schlechter) Soó.

Plants 6-15 cm tall. Rhizome fleshy. Stem with 2 tubular sheaths at base, 1-leaved. Leaf basal, green, oblong-spatulate to spatulate, 3-5 × 1.2-2.6 cm, base gradually attenuate into conduplicate sheath, apex obtuse. Inflorescence 3-6 cm, slender; rachis 0.5-2.5 cm, with 1-6 secund flowers; floral bracts lanceolate, apex acuminate, basal one often longer than flower. Flowers spreading, pink, small to medium-sized; ovary cylindric-fusiform, 1-13 mm including pedicel. Sepals rose-purple, oblong, subequal in size, 5-8 × 2.5-4 mm, 3-veined, apex obtuse; dorsal sepal erect, concave; lateral sepals spreading. Petals erect, forming a hood with dorsal sepal, purplish red, pale purple, or white, oblong-lanceolate, oblique, 4-7 × 2-3.5 mm, 1-veined, apex acute; lip similar to petals, spreading, simple, ovate-lanceolate to ovate-oblong, 4-6.8 × 3-3.8 mm, slightly shorter but broader than petals, base slightly concave, spurless, margin entire to slightly undulate, apex obtuse or subacute. Fl. Jun-Aug, fr. Jul-Sep.

● Forests, meadows; 1600-4100 m. Gansu, Hebei, S Qinghai, Shaanxi, Shanxi, NW Sichuan, Xizang, Yunnan.