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

28. Coelogyne nitida (Wallich ex D. Don) Lindley, Gen. Sp. Orchid Pl. 40. 1830.

密茎贝母兰 mi jing bei mu lan

Cymbidium nitidum Wallich ex D. Don, Prodr. Fl. Nepal. 35. 1825; Coelogyne ochracea Lindley; C. ochracea subsp. conferta E. C. Parish & H. G. Reichenbach; C. punctulata Lindley var. conferta (E. C. Parish & H. G. Reichenbach) Tang & F. T. Wang; Pleione ochracea (Lindley) Kuntze.

Rhizome stout, rigid, with scaly sheaths. Pseudobulbs contiguous, yellowish brown and strongly wrinkled when dried, lucid, oblong-ellipsoid, 1.5-3 × 1-1.5 cm, deeply sulcate, sheathing at base, with 2 leaves at apex. Leaf blade narrowly elliptic, ca. 7 × 1.5 cm, leathery, base attenuate into petiole ca. 2 cm, apex acuminate. Inflorescence proteranthous, ca. 6 cm, lower part enclosed in leathery sheaths; rachis 2- or 3-flowered; floral bracts caducous; pedicel and ovary ca. 16 mm. Flowers white or slightly tinged yellowish, lip with 2 eyelike colored blotches. Sepals oblong, 17-19 × 4-5 mm, apex acuminate. Petals nearly broadly linear or narrowly oblong, ca. 15 × 2-3 mm; lip ovate, ca. 15 × 10 mm, 3-lobed; lateral lobes erect, subobovate; mid-lobe nearly elliptic, ca. 5 × 4 mm, with 3 longitudinal inconspicuous lamellae extending from base of lip, lateral lamellae thick, median lamella inconspicuous. Column slightly arcuate, ca. 12 mm, both sides winged; wings widened from base to apex, upper side ca. 1 mm wide on one side. Fl. Mar. 2n = 40.

On trees in forests in limestone areas; ca. 3100 m. NW, S, and W Yunnan [Bhutan, NE India, Laos, Myanmar, Nepal, Thailand, Vietnam].


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