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FOC | Family List | FOC Vol. 25 | Orchidaceae | Coelogyne

21. Coelogyne fuscescens Lindley, Gen. Sp. Orchid. Pl. 41. 1830.

褐唇贝母兰 he chun bei mu lan

Coelogyne brunnea Lindley; C. cycnoches E. C. Parish & H. G. Reichenbach.

Rhizome slightly stout, 5-6 mm in diam., with dense brown sheaths. Pseudobulbs rather clustered on rhizome, 6-7 mm apart, not lucid when dried, suboblong, slightly narrowed toward both ends, 2-3 cm × 5-7 mm, with 2 leaves at apex, sheathing at base; sheaths brown, 1.5-2 cm. Leaf blade oblong-oblanceolate, 11.5-13.5 × 1.3-2 cm, leathery, contracted at base into a petiole 1-2 cm, apex obtuse or acute. Inflorescence proteranthous, rarely synanthous, 12-14 cm, initially enclosed in sheaths at base; rachis 4-6 cm, usually 2-flowered; floral bracts often embracing pedicel and ovary, oblong-lanceolate, ± cymbiform, 2-2.5 cm, membranous; pedicel and ovary 2-2.5 cm. Flowers ca. 4 cm in diam. Sepals suboblong, 25-28 × 7-9 mm, 5-veined, apex acuminate or shortly cuspidate. Petals linear, 22-24 × 2.5-3 mm; lip ovate, 25-28 mm, concave at base, 3-lobed; lateral lobes subovate, nearly entire; mid-lobe ovate, 10-13 × 6-7 mm; callus with 3 fleshy, undulate longitudinal lamellae extending to base of mid-lobe, then continuing as branched veins converging at tip of lip. Column ca. 20 mm, both sides with narrow wings. Fl. Jun. 2n = 40.

On rocks; ca. 1300 m. S Yunnan [Bhutan, NE India, Laos, Myanmar, Nepal, Thailand, Vietnam].


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