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

1. Pholidota articulata Lindley, Gen. Sp. Orchid. Pl. 38. 1830.

节茎石仙桃 jie jing shi xian tao

Coelogyne articulata (Lindley) H. G. Reichenbach; C. khasyana (H. G. Reichenbach) H. G. Reichenbach; Pholidota articulata var. griffithii (J. D. Hooker) King & Pantling; P. articulata var. obovata (J. D. Hooker) Tang & F. T. Wang; P. griffithii J. D. Hooker; P. khasyana H. G. Reichenbach; P. lugardii Rolfe; P. obovata J. D. Hooker.

Pseudobulbs connected to each other at both ends and stemlike, subcylindric, (2-)4-12 cm × 5-10(-25) mm, sometimes slightly narrowed, branching or not, sometimes with very short rhizomes between them and producing a few roots. Leaves 2, at apex of new pseudobulb; leaf blade obovate-elliptic, oblong, or narrowly elliptic, 7-17.5 × 2.7-6.2 cm, veins plicate, subacute or obtuse; petiole 1-1.5 cm. Inflorescence at apex of new pseudobulb, 6-18 cm; rachis 10- or more flowered, ± flexuous; floral bracts deciduous during flowering, narrowly ovate-oblong, 1.5-2.5 × 0.5-0.7 cm. Flowers greenish white or white and slightly tinged with reddish; pedicel and ovary 6-7 mm. Dorsal sepal oblong or elliptic, concave, 9-10 × 4-5 mm, dorsally carinate, 5-veined; lateral sepals ovate, oblique, slightly wider than dorsal sepal. Petals oblong-lanceolate or suboblanceolate, ca. 7 × 2-2.5 mm, 5-veined; lip broadly oblong in outline, contracted at apical 1/4-1/3 into epichile and hypochile; hypochile cymbiform, slightly wider than epichile, with 5 longitudinal lamellae near base; epichile transversely elliptic, 3-4 mm wide, margin crisped. Column 2.5-3 mm, ca. 1 mm wide, stout, apex winged; rostellum broadly ovate, 1.4-1.8 mm. Capsule ellipsoid to obovoid-ellipsoid, 1.8-2 cm, slightly 3-ridged; fruiting pedicel ca. 2.5 mm. Fl. Jun-Aug, fr. Oct-Dec. 2n = 38, 38 + 2B, 40, 40 + 2-6B.

Epiphytic on trees in forests, lithophytic on shaded rocks; 800-2500 m. SW Guizhou, SW Sichuan, SE Xizang, NW to SE Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, Vietnam].


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