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

30. Coelogyne corymbosa Lindley, Fol. Orchid. 5(Coelogyne): 7. 1854.

眼斑贝母兰 yan ban bei mu lan

Pleione corymbosa (Lindley) Kuntze.

Rhizome somewhat rigid, 3-4 mm in diam., with dense, brown, scaly sheaths. Pseudobulbs rather dense, less than 1 cm apart from each other, bright yellow or brownish yellow and strongly wrinkled when dried, oblong-ovoid or nearly rhombic-oblong, (1-)2-4.5 cm × 6-13 mm, with 2 leaves at apex and several sheaths at base; sheaths lucid, ovate, 1.5-2.5 cm, papery. Leaf blade oblong-oblanceolate to obovate-oblong, 4.5-15 × 1-3 cm, subleathery, adaxially with raised transverse veinlets, apex often acuminate; petiole 1-2 cm. Inflorescence proteranthous to synanthous, 7-15 cm (elongated when fruiting), embraced by sheaths below middle; raceme 2- or 3(or 4)-flowered; floral bracts caducous. Flowers white or slightly tinged with yellowish green, with 4 yellow eyelike blotches surrounded by reddish orange. Sepals oblong-lanceolate, 18-22(-35) × 7-8 mm, apex acute or obtuse; lateral sepals somewhat narrower than dorsal sepal. Petals linear-lanceolate, 18-22 × 2.5-4 mm; lip subovate, 16-28 × 12-25 mm, 3-lobed; lateral lobes erect, suborbicular or nearly subovate; mid-lobe ovate or ovate-lanceolate, 6-9 mm; 2 or 3 low lamellae extending from base to mid-lobe. Column slightly arcuate, 10-20 mm, both sides winged; wings widened from base to apex, upper side ca. 1.7 mm wide on one side, apex obtuse. Capsule subobovoid, slightly trigonous, 2.2-5 × 0.9-1.3 cm. Fl. May-Jul, fr. next Jul-Nov. 2n = 38, 40.

On trees at forest margins or on humid cliffs; 1300-3500 m. S and SE Xizang, S and W Yunnan [Bhutan, NE India, Myanmar, Nepal].


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