钝叶苹兰 dun ye ping lan

Eria acervata Lindley, J. Hort. Soc. London 6: 57. 1851; E. poilanei Gagnepain.

Pseudobulbs usually 2 or 3, or sometimes 8 closely and regularly arranged into a row, fusiform, sometimes bottle-shaped, sometimes compressed, 2-4 × 0.6-1.5 cm, apex 2-4-leaved. Leaves sessile, oblong-lanceolate, 4-10 × 0.8-2 cm, base attenuate, apex obtuse and slightly unequally 2-lobed. Inflorescences 1-3, subterminal, 3-6 cm, 4-7-flowered; rachis glabrous; floral bracts ovate or ovate-lanceolate, 0.5-1 cm, margin sparsely denticulate, apex long acuminate. Flowers white, sepals tinged green at apex, lip yellow; pedicel and ovary ca. 1 cm. Dorsal sepal narrowly ovate, ca. 6 × 2 mm, 5-veined, acuminate; lateral sepals falcate-lanceolate, ca. 7 × 5-6 mm, acuminate. Petals lanceolate, ca. 6 × 2 mm, obtuse; lip broadly cuneate in outline, ca. 7 × 6 mm, base attached to column foot at a right angle, 3-lobed; lateral lobes falcate-oblong, ca. 2 mm wide; mid-lobe orbicular, ca. 3 × 3 mm; disk with 3 keeled lamellae from base to middle of mid-lobe. Column ca. 3 mm; foot ca. 4 mm. Capsule narrowly cylindric, ca. 2.7 × 0.4 cm. Fl. Aug, fr. Sep. 2n = 38, 40.

Epiphytic on tree trunks in open forests; 600-1500 m. SE Xizang, S Yunnan [Bhutan, Cambodia, NE India, Laos, Myanmar, Nepal, Thailand, Vietnam].