钻喙兰（中国高等植物图鉴）
Rhynchostylis retusa (L.) Bl., Bijdr. 6: fig. 49, et 7: 285. 1825; Rchb. f. in walp. Ann. Bot. Syst. 6: 887. 1863; Hook. f., Fl. Brit. Ind. 6: 32. 1890; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 213, pl. 284. 1898; Rolfe in Orch. Rev. 9: 281, fig. 42. 1901; J. J. Smith, Fl. Buit. 6: 629. 1905; Holttum in Orch. Rev. 70: 326. 1962; 中国高等植物图鉴 5: 772. 图8374. 1976; H. Hara et al. in Enum. Flow. Nepal 1: 55. 1978; Seidenf. in Opera Bot. 95: 214, fig. 133. 1988; Averyanov, Vasc. Pl. Syn. Vietnam. Fl. 1: 148. 1990; Seidenf., l. c. 114: 418. 1992; Seidenf. et J. J. Smith, Orch. Penins. Malay. Singap.: 661. 1992; Averyanov, Iden. Guide Vietnam. Orch. : 340. 1994; Z. H. Tsi et S. C.Chen in Acta Phytotax. Sin. 33 (3): 295. 1995; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 111, pl. 262. 1997; 中国兰花全书: 219. 1998. ——Epidendrum retusum L., Sp. Pl. : 953. 1753.
Epiphytic on tree trunks in open forests or at forest margins; 300-1500 m. SW Guizhou, S Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam].
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Stems ascending, usually 3-10 cm, 1-2 cm in diam., enclosed in leaf sheaths. |
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Leaves broadly lorate, 20-40 × 2-4 cm, unequally bilobed. |
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Inflorescences 1-3, pendulous, 30-40 cm, densely many flowered; rachis 20-30 cm, thick; floral bracts reflexed, broadly ovate, 3-4 mm. Flowers unscented, 1.7-2.3 cm in diam., sepals and petals white and spotted with pink or pale purple, lip purplish pink, apex white, spur white; pedicel and ovary 7-10 mm. Dorsal sepal elliptic, 7-11 × 4.2-5 mm, obtuse; lateral sepals obliquely oblong, 7-11 × 4.5-5.5 mm, base adnate to column foot, apex obtuse. Petals narrowly oblong, 7-7.5 × 2.5-3 mm, obtuse; lip often conduplicate, oblong-spatulate, 8-10 × 5-6 mm, rounded, apiculate, or slightly retuse, spurred; spur laterally compressed, 6-8 mm, rounded. Column ca. 4 mm, foot ca. 2 mm; stipe ca. 2.2 mm, linear, dilated and capitate; viscidium oblanceolate, ca. 1.8 × 0.6 mm.
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Capsule obovoid or subclavate, ca. 2.5 × 1.3 cm. Fl. May-Jun, fr. Jun-Jul. | ||
