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

5. Coelogyne longipes Lindley, Fol. Orchid. 5(Coelogyne): 10. 1854.

长柄贝母兰 chang bing bei mu lan

Pleione longipes (Lindley) Kuntze.

Rhizome stout, 5-7 mm in diam., with dense, nearly leathery scaly sheaths, with rather short internodes. Pseudobulbs 3-4 cm apart on rhizome, lucid when dried, nearly cylindric, slightly narrowed toward both ends, 3-7.5 cm × 8-12(-15) mm, with 2 leaves at apex and with several sheaths at base; sheaths bright yellow, lucid. Leaf blade oblong-oblanceolate or suboblong-lanceolate, (10-)15-23 × (1-)1.8-3 cm, base cuneate, apex acuminate; petiole 2.5-6 cm. Inflorescence hysteranthous; peduncle bare, 7-15 cm, slender, with imbricate, convolute, sheathing, sterile bracts at interface between peduncle and rachis, 5-7-flowered; rachis thickened in lower part; floral bracts almost deciduous at anthesis, ca. 1.8 cm; pedicel and ovary 7-10 mm; rachis continuing to develop and producing a further set of imbricate, convolute, sheathing sterile bracts at interface between peduncle and rachis and flowers annually. Flowers white or pale yellow. Sepals ovate-oblong, ca. 10 × 5-6 mm, 5-veined, apex shortly acuminate. Petals narrowly linear or filiform, ca. 10 × 0.3 mm, attenuate toward apex; lip nearly broadly ovate, ca. 10 × 8-9 mm, 3-lobed; lateral lobes subovate, margins entire; mid-lobe broadly oblong or subelliptic, ca. 6 × 5 mm, margin ± crisped, apex truncate and emarginate; callus with 2 narrow longitudinal lamellae extending from base of lip to near middle of mid-lobe, prominent on mid-lobe only. Column slightly arcuate, 5-6 mm, both sides with broad wings surrounding its apex, to 4 mm wide. Capsule narrowly obovoid-oblong, ca. 2 × 0.6 cm. Fl. Jun, fr. next Mar. 2n = 40.

On trees in forests; 1000-2600 m. SE Xizang, W to SE Yunnan [Bhutan, NE India, Laos, Myanmar, Nepal, Thailand].


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