香花指甲兰（中国兰花全书）
Aerides odorata Lour. Fl. Cochinch. 2: 525. 1790; Lindl. Gen. Sp. Orch. Pl.: 239. 1833; Hook. in Bot. Mag, 71: t. 4139. 1845; Hook. f., Fl. Brit. Ind. 6: 47. 1894: King et Pantl. in Ann. Bot. Gard. Calcutta 8: 212, pl. 282. 1898; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 279. 1919; S. Y. Hu in Quart. J. Taiwan Mus. 25 (1, 2): 42. 1972: H. Hara et al., Enum. Flow. Pl. Nepal 1: 32. 1978; Christenson in Proc. 12th World Orchid Conference (Tokyo): 35. 1987; Seidenf. in Opera Bot. 95: 242, Fig. 152. 1988; Averyanov, Vasc. Pl. Syn. Vietnam. Fl. 1: 22. 1990; Seidenf., l. c. 114: 426. 1992; Averyanov, Iden. Guide Vietnam. Orch.: 343. 1994; 中国兰花全书: 172. 1998.
On tree trunks in forests; 200-1200 m. Guangdong, W Yunnan [Bhutan, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam]. |
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Stems rather drooping, stout, branched. |
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Leaf blade broadly lorate, 15-20 × 2.5-4.6 cm, thickly leathery, obtuse and unequally bilobed. |
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Inflorescence numerous, nodding, racemose, 15-30 cm, densely 20-30-flowered; floral bracts broadly ovate, 5-9 mm, obtuse. Flowers fragrant, opening widely, 1.5-3 cm in diam., purple to almost white, often tipped and spotted purple, spur apex greenish yellow; pedicel and ovary 1-2.5 cm, slender. Dorsal sepal elliptic, ca. 10 × 8 mm, obtuse-rounded; lateral sepals broadly ovate, ca. 12 × 9 mm, adnate at base to column foot, apex obtuse. Petals subelliptic, 11-12 × 5-7 mm, base contracted, apex obtuse; lip immovable, spurred, 3-lobed, almost enclosing column; lateral lobes erect, obovate-cuneate, ca. 15 × 10 mm, distal margin irregularly toothed, apex obtuse-rounded; mid-lobe linear, ca. 12 × 3 mm, bilobed; spur bent forward, narrowly horn-shaped, ca. 1 cm. Column ca. 5 mm, thick, foot ca. 9 mm. Fl. May.
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