狭叶羊耳蒜 xia ye yang er suan

Leptorkis perpusilla (J. D. Hooker) Kuntze; Liparis togashii Tuyama & H. Hara; Platystyliparis perpusilla (J. D. Hooker) Margońska.

Herbs, epiphytic. Pseudobulbs tufted, ovoid or oblong, 2-3 cm × 1-2 mm. Leaves 4 or 5, linear, 10-15 × 1-2 mm, apex acute. Inflorescence erect, 2-4 cm; rachis 5-10-flowered; floral bracts ovate-lanceolate, 2-3 mm. Flowers yellow; pedicel and ovary 3-4 mm. Dorsal sepal suboblong, 1.1-1.3 × 0.4-0.5 mm, 1-veined, apex obtuse; lateral sepals elliptic-oblong, 1-1.2 × 0.6-0.7 mm, 1-veined, apex obtuse. Petals linear or narrowly lanceolate, 1-1.1 × 0.1-0.2 mm, apex obtuse; lip ± reflexed, suborbicular, ca. 1.1 × 0.9 mm, basal margins crisped, apex obtuse-rounded, sometimes slightly mucronate; disk with a U-shaped callus near base and 2 divergent calli at base of U-shaped callus. Column ca. 1 mm, with 2 wings on ventral sides. Fl. Jul. 2n = 30.

On tree trunks in forests; ca. 2800 m. SW Yunnan (Weixi) [Bhutan, India (Sikkim), Nepal].