盆距兰（中国高等植物图鉴）
囊唇兰（海南植物志）
Gastrochilus calceolaris (Buch. -Ham. ex J. E. Smith) D. Don Prodr. Fl. Nepal: 32. 1825; Schltr. in Fedde Repert. Sp. Nov. 12: 314. 1913; Tuyama in H. Hara, Fl. East. Himal. 1: 435. 1966; 中国高等植物图鉴 5: 771.图8372. 1976; H. Hara et al., Enum. Flow. Pl. Nepal 1: 44. 1978; 西藏植物志 5: 787.图426.1987; Seidenf. in Opera Bot. 95: 289, fig. 187, 188. 1988; Averyanov, Vasc. Pl. Syn. Vietnam. Fl. 1: 100. 1990; Seidenf. et J. J. Wood, Orch. Penins. Malay. Singap.: 689, fig. 309. 1992; Averyanov, Iden Guide Vietnam. Orch.: 391. 1994; Z. H. Tsi in Guihaia 16 (2): 135. 1996; 中国兰花全书: 212. 图6-27 (5). 1998. ——Aerides calceolaris Ruch. -Ham. ex J. E. Smith in Rees Cyclop. 39: 11. 1819.——Epidendrum calceolare Buch. -Ham. ex D. Don, l. c. 1825. ——Saccolabium calceolare (Buch. -Ham. ex J. E. Smith) Lindl., Gen. Sp. Orch. Pl.: 223. 1833; Griff. Icon. Pl. Asiat. t. 334. 1851; Hook. f., Fl. Brit. Ind. 6: 60. 1890; King et Pentl. in Ann. Roy. Bot. Gard. Calcutta 8: 225, pl. 300. 1898; S. Y. Hu in Quart. J. Taiwan Mus. 28 (1, 2): 150. 1975; 海南植物志4: 257. 1977.
On tree trunks in forests; 1000-2700 m. Hainan, S Xizang, S and W Yunnan [Bhutan, NE India, Malaysia (Peninsular), Myanmar, Nepal, Thailand, Vietnam]. |
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Stems often arching, 5-30 cm, 5-8 mm in diam., with many leaves |
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Leaves distichous; blade often falcate, narrowly oblong, 20-23 × 1.5-2.5 cm, slightly fleshy, apex obtuse and unequally 2-lobed. |
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Inflorescences several to many, from upper part of stem, opposite to leaves, subumbellate, 2-3 cm, several to many flowered; floral bracts small; pedicel and ovary slightly compressed, 1.3-2 cm. Flowers widely opening; sepals and petals yellow, with purplish brown markings; lip with white epichile and yellow hypochile, both with purple-red marks. Sepals similar, obovate-oblong, 7-8 × ca. 4 mm, base contracted, apex obtuse-rounded. Petals similar to sepals, slightly smaller, apex obtuse-rounded; lip with an epichile and a saccate hypochile; epichile spreading forward, suborbicular-triangular or lunate-triangular, 2-3 × 5-7 mm, adaxially with long white hairs except on yellow and purple-spotted central cushion and with a cavity at base of cushion, margin irregularly fimbriate or erose; hypochile yellowish green with purplish red margin, helmetlike, ca. 5 mm tall, ca. 5 mm in diam. Fl. Mar-Apr. 2n = 38, 40, 76.
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