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

48. Liparis distans C. B. Clarke, J. Linn. Soc., Bot. 25: 71. 1889.

大花羊耳蒜 da hua yang er suan

Leptorkis distans (C. B. Clarke) Kuntze; Liparis macrantha J. D. Hooker; L. oxyphylla Schlechter; L. yunnanensis Rolfe.

Herbs, epiphytic, rather tall and large. Pseudobulbs densely arranged, subcylindric or narrowly ovoid-cylindric, (2-)3-9.5 cm × 3-10 mm. Leaves 2; petiole 2-6 cm, articulate; blade oblanceolate or linear-oblanceolate, 15-35 × 1-2.8 cm, papery, apex acuminate. Inflorescence 14-39 cm; peduncle somewhat compressed, with narrow wings 1-2 mm wide on both sides, with 2 or 3 subulate sterile bracts; rachis 8-20 cm, several to 10-flowered; floral bracts nearly subulate, 6-12 mm. Flowers yellowish green or orange; pedicel and ovary 1.4-2.2 cm. Sepals linear, (0.8-)1-1.6 × ca. 0.2 cm, margin often revolute, apex obtuse; lateral sepals often slightly shorter than dorsal sepal. Petals nearly filiform, 12-16 × 0.3-0.5 mm, apex obtuse; lip obovate to semicircular, 1-1.4 × 1-1.1 cm, base narrowed into very short claw and with a frontally grooved callus, margin somewhat irregularly denticulate, apex rounded or obtuse. Column slightly arcuate, 5-6 mm, base slightly dilated, upper part narrowly winged. Capsule narrowly obovoid-oblong, 1.5-1.8 cm × 6-7 mm; fruiting pedicel 1-1.5 cm. Fl. Oct-Feb, fr. Jun-Jul. 2n = 38.

On trees or rocks in shaded places along valleys; 1000-2400 m. Guangxi, SW Guizhou, Hainan, S Sichuan, SE Xizang, Yunnan [India (Assam), Laos, Thailand, Vietnam].


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