短瓣兰 duan ban lan

Epicranthes barbata (Lindley) H. G. Reichenbach.

Rhizome creeping, ca. 5 mm in diam. Pseudobulbs ca. 6 cm apart on rhizome, ovoid, ca. 4 cm, ca. 1.5 cm in diam. Petiole 9-10 cm; leaf blade oblong, 21-22 × ca. 4 cm, thickly leathery, base contracted into petiole, apex obtuse and retuse. Scape ascending, 16-28 cm; raceme 5-10 cm, sparsely 4-7-flowered; peduncle 11-18 cm, stout, 3-4 mm in diam., sparsely with 3-5 sheaths 6-10 mm; floral bracts ovate, ca. 7 mm, apex obtuse. Pedicel and ovary ca. 1.8 cm. Flowers widely opening, yellow, tinged with reddish. Dorsal sepal erect, ovate, concave, ca. 15 × 5 mm, 6-veined, apex acute; lateral sepals lanceolate, ca. 20 × 7 mm, adaxially densely hispid, 6-veined, apex acuminate. Petals obliquely triangular, ca. 3 × 2.5 mm, margins erose or slightly fimbriate, 1-veined, apex acute; lip 3-lobed; lateral lobes nearly suborbicular; mid-lobe somewhat larger, apex obtuse; basal auricles narrowly falcate; disk with 2 membranous lamellae. Column ca. 6 mm, base with a foot ca. 8 mm, with wings dilated at middle; stelidia deltoid. Fl. Jan.

Tree trunks or rocks in forests; 1000-2000 m. SW Guizhou, SE Xizang, W to SE Yunnan [NE India, Myanmar, Nepal, Thailand, N Vietnam].