狭叶耳唇兰 xia ye er chun lan

Broughtonia fusca (Lindley) Wallich ex J. D. Hooker; Coelogyne fusca (Lindley) H. G. Reichenbach; Otochilus lancifolius Griffith.

Pseudobulbs pendulous, greenish yellow or slightly tinged with brown when dry, cylindric-fusiform, 2.5-10 × 0.6-1.3 cm, rugose, covered with fibrous sheaths. Leaf blade linear-lanceolate or nearly linear, 10-20 × 0.7-1.1 cm, acuminate; petiole 1.5-3 cm. Inflorescence proteranthous, suberect; peduncle ± arching, usually 12-17 cm; rachis 6-8 cm, laxly 10- to many flowered; floral bracts persistent, narrowly obovate-linear, 8-11 × 2.5-3 mm, papery, acute. Flowers fragrant, white or tinged with pale yellow, 1.4-1.6 cm in diam.; pedicel and ovary 4-7 mm, slender. Dorsal sepal oblong or nearly narrowly ovate-oblong, 7-8 × ca. 2 mm, abaxially carinate, 5-veined, obtuse; lateral sepals slightly narrower and ± oblique. Petals ca. 6.5 × 1.5 mm, 3-5-veined, midvein slightly thickened abaxially; lip 3-lobed; lateral lobes erose at apex, at distal side of their bases united by a transverse appendage, nearly closing access between mid-lobe and sac; mid-lobe narrowly elliptic to suboblong, 4.5-5.5 × ca. 1.7 mm, base contracted and slightly clawed, apex acuminate; sac subglobose, ca. 1 mm in diam., without appendages inside. Column ca. 5 mm, slender, base slightly exserted, upper part winged. Capsule obovoid-ellipsoid, 7-10 × 5-6 mm. Fl. Mar, fr. Oct. 2n = 40.

Epiphytic on trees in forests; 1200-2100 m. Yunnan [Bhutan, Cambodia, NE India, Myanmar, Nepal, Thailand, Vietnam].