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

7. Dendrobium lindleyi Steudel, Nomencl. Bot., ed. 2. 1: 490. 1840.

聚石斛 ju shi hu

Dendrobium aggregatum Roxburgh, Fl. Ind., ed. 1832, 3: 477. 1832, not Kunth (1816); Callista aggregata Kuntze; D. alboviride Hayata var. majus Rolfe; D. lindleyi var. majus (Rolfe) S. Y. Hu; Epidendrum aggregatum Roxburgh ex Steudel.

Stems pseudobulbous, dense or tufted, fusiform or ovoid-cylindric, ± laterally compressed, 1-5 cm, 5-15 mm in diam., with 2-5 nodes, contracted at base, internodes 1-2 cm, with 4 ribs, pale yellowish brown and glossy when dry, with white membranous sheaths. Leaf usually solitary, oblong, 3-8 × 0.6-3(or more) cm, leathery, base contracted, not decurrent into clasping sheaths, margin ± undulate, apex obtuse and emarginate. Inflorescence subterminal, to 27 cm, much longer than leaves, laxly several to more than 10-flowered; floral bracts narrowly ovate-triangular, ca. 2 mm. Pedicel and ovary yellowish green, tinged with pale purple, 6-30 mm. Flowers spreading, thinly papery, orange. Dorsal sepal ovate-lanceolate, ca. 20 × 7-8(or more) mm, slightly obtuse; lateral sepals nearly equal to dorsal sepal; mentum subglobose, ca. 5 mm. Petals broadly elliptic, ca. 2 × 1 cm, bluntly rounded; lip transversely oblong or subreniform, usually ca. 1.5 × 2 cm, each side embracing column below middle, entire, often emarginate; disk densely pubescent below middle. Column short and thick, ca. 4 mm; anther cap subglobose, glabrous, front margin irregular.

Epiphytic on trees in sunny open forests; below 1000 m. Guangdong, Guangxi, SW Guizhou, Hainan (Ce He) [Bhutan, India, Laos, Myanmar, Thailand, Vietnam].


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