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

36. Liparis cespitosa (Lamarck) Lindley, Bot. Reg. 11: ad t. 882. 1825.

丛生羊耳蒜 cong sheng yang er suan

Epidendrum cespitosum Lamarck, Encycl. 1: 187. 1783; Cestichis cespitosa (Lamarck) Ames; Leptorkis cespitosa (Lamarck) Kuntze; L. pusilla (Ridley) Kuntze; Liparis angustifolia (Blume) Lindley; L. pusilla Ridley; Malaxis angustifolia Blume; M. cespitosa (Lamarck) Thouars.

Herbs, epiphytic, small. Pseudobulbs densely arranged, ovoid or narrowly ovoid to subcylindric, 8-20(-30) × 2-6 mm. Leaf 1, oblanceolate or linear-oblanceolate, 5-17 × 0.5-0.8(-1.5) cm, papery, base attenuate into a petiole, articulate, apex acuminate. Inflorescence 5-16 cm; peduncle slightly compressed cylindric, very narrowly winged; rachis (7-)10-40-flowered; floral bracts subulate, 3-5(-8) mm. Flowers green or greenish white, very small; pedicel and ovary 3-4 mm. Dorsal sepal suboblong, 1.5-1.8 × ca. 0.7 mm, 1-veined, apex obtuse; lateral sepals ovate-oblong, slightly oblique, 1.3-1.5 × 0.9-1 mm, 1-veined. Petals narrowly linear, 1.5-1.8 × ca. 0.3 mm, apex obtuse; lip nearly broadly oblong, ca. 1.8 × 1.2 mm, base with a pair of backward spreading auricles, without a conspicuous callus, margin sometimes slightly undulate, apex subtruncate and mucronate. Column slightly arcuate, 0.8-1.2 mm, apex dilated. Capsule subellipsoid, 3-4 × ca. 3 mm; fruiting pedicel 4-5 mm. Fl. Jun-Oct, fr. Oct-Nov. 2n = 40.

On trees, rocks in forests, shaded places on cliffs; 500-2400 m. C and S Hainan, SE Xizang, S Yunnan [widely distributed in tropics of Africa and Asia, extending to Pacific islands].


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