小巧阔蕊兰 xiao qiao kuo rui lan

Habenaria nematocaulon J. D. Hooker, Fl. Brit. India 6: 154. 1890; H. juncea King & Pantling; Platanthera juncea (King & Pantling) Kraenzlin; P. nematocaulon (J. D. Hooker) Kraenzlin.

Plants slender, 7.5-25 cm tall. Tubers oblong-cylindric, 1.5-2 × 0.5-0.7 cm. Stem with 1 or 2 tubular sheaths at base, 1-leaved. Leaf subbasal, oblong to oblong-elliptic, 1.2-8 × 0.7-2 cm, apex subacute. Inflorescence 7-20 cm; peduncle cylindric, slender, ebracteate or with 1 or 2 linear-lanceolate sterile bracts 7-13 mm; rachis 1.2-10 cm, laxly few to several flowered; floral bracts lanceolate, 4-5 mm, almost as long as to slightly exceeding ovary, apex subacute. Flowers horizontal, pale green; ovary 3-5 mm including pedicel. Dorsal sepal erect, ovate-lanceolate, 1.5-2 × 0.8-1 mm, 1-veined, apex acute; lateral sepals weakly spreading, ovate-lanceolate, slightly oblique, 1.5-2 × ca. 0.8 mm, apex acute. Petals narrowly oblong, 1.5-2 × 0.8-1 mm, 1-veined, apex subobtuse; lip horizontal, oblong-lanceolate, 1.5-2.2 × ca. 0.7 mm, ecallose, entire, apex subacute; spur pendulous, slightly curving forward, cylindric-clavate, ca. 1.2 mm, much shorter than ovary, apex obtuse. Column ca. 0.6 mm; caudicles very short; viscidia elliptic. Fl. Jul-Aug.

Alpine scrub, meadows; 3500-3800 m. SE Xizang [Bhutan, NE India, Nepal].