白花拟万代兰（中国兰花全书）
船唇兰（中国高等植物图鉴）
Vandopsis undulata (Lindl.) J. J. Smith in Nat. Tijdschr. Ned. Ind. 72: 77. 1912; Banerji, Orch. Napal: 124. 1982; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 296. 1995; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 114, pl, 285. 1997; 中国兰花全书: 200. 1998. ——Vanda undulata Lindl. in J. Linn, Soc. Bot. 3: 42. 1859. ——Stauropsis undulata (Lindl.) Benth. ex Hook. f., Fl. Brit. Ind. 6: 27. 1890; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 205, pl. 257. 1898; 中国高等植物图鉴 5: 755. 图8339. 1976. ——S. polyantha W. W. Smith in Not. Bot. Gard. Edinb. 13: 220. 1921.
Epiphytic on tree trunks in forests or lithophytic on rocks on shrubby slopes; 1500-2300 m. SE Xizang, S and W Yunnan [Bhutan, NE and NW India, Nepal]. |
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Stems ascending or pendulous, cylindric, to 1 m, 6-8 mm in diam., rigid, branching, many noded, internodes 2.5-4 cm. |
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Leaves oblong, 9-12 × 1.5-2.5 cm, leathery, obtuse, unequally bilobed; basal sheaths persistent and amplexicaul, verrucose. |
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Inflorescence to 50 cm, usually with a few branches, laxly few flowered; peduncle and rachis stout; floral bracts green, broadly ovate, 6-8 mm, obtuse. Flowers fragrant, 3-3.6 cm in diam.; sepals and petals white, lip yellow to white at apex, lemon-yellow with purple-red basal striations, anther cap yellow; pedicel and ovary ca. 2.7 cm, white. Dorsal sepal subobovate, 2.5-4 × 0.8-1.2 cm, base clawed, margin crisped, apex obtuse; lateral sepals slightly recurved, ovate-lanceolate, 2.4-4 × 1.2-1.4 cm, margin crisped, apex subacuminate. Petals slightly recurved, similar to sepals but smaller, margin undulate, apex obtuse; lip shorter than petals, 3-lobed; lateral lobes erect, ± embracing column, subovate-triangular, ca. 5 mm, acute; mid-lobe laterally compressed, spatulate, ca. 6 × 5 mm, concave, truncate; disk with 2 ridges from base. Column ca. 4 mm; anther cap subglobose; stipe sublanceolate, ca. 2 mm; viscidium subensiform, wider than stipe, thick. Fl. May-Jun. |
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