冬凤兰（中国高等植物图鉴）
Cymbidium dayanum Rchb. f. in Gard. Chron. 1869: 710. 1869; Merrill et Metc. in Lingn. Sci. J. 21: 8. 1945;中国高等植物图鉴5: 747.图8324. 1976; Y. S. Wu et S. C. Chen in Acta Phytotax. Sin. 18 (3): 301. fig. 3 (1). 1980; 海南植物志4: 246. 图1119. 1977; Seidenf. in Opera Bot. 72: 82. fig. 45. 1983, et 114: 339. 1992; Du Puy et Cribb, Genus Cymbidium 84. Pl. 7. phot. 63-65. fig. 22 (3). 1988; 福建植物志6: 619.图541.1995.中国兰花全书79.图5-4.彩图5-3. 1998. ——Cymbidium leachianum Rchb. f. in Gard. Chron. n. s. , 10: 106. 1876. ——Cymbidium simonsianum King et Pantl. in J. Asiat. Soc. Beng. 64 (2): 338. 1896. ——Cymbidium dayanum Rchb. f. var. austro——japonicum Tuyama in Nakai, Icon. Pl. As. Orient. 4: 363. t. 118. 1914; 台湾兰科植物2: 103-104(图). 1977. ——Cymbidium sutepense Rolfe ex Downie in Kew Bull. 382. 1925. ——Cymbidium poilanei Gagnep. in Bull. Mus. Nat. Hist. Paris ser. 2, 3: 381. 1931. ——Cymbidium eburneum Lindl. var. austro-japonicum (Tuyama) Hiroe, Orch. Fl. 2: 96. 1971. ——Cymbidium dayanum Rchb. f. subsp. Leachianum (Rchb. f.) S. S. Ying in Mem. Coll. Agric. Nat. Taiwan Univ. 29 (1): 84. 1989. ——Cymbidium dayanum Rchb. f. var. leachianum (Rchb. f.) S. S. Ying. l. c. ——Cymbidium dayanum Rchb. f. var. albiflorum S. S. Ying, Col. Illust. Fl. Taiwan 5: 594. 1995.
Trees in open forests, cliffs along streamsides; 300-1600 m. S Fujian, Guangdong, Guangxi, Hainan, Taiwan, S Yunnan [Bhutan, Cambodia, India, Indonesia, Japan, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam]. Type specimens from Assam, India. |
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Plants epiphytic, autotrophic. Pseudobulbs nearly fusiform, ± bilaterally flattened, 2-5 × 1.5-2.5 cm, enclosed in leaf bases. |
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Leaves 4-9, deep green, lorate, 32-60(-110) × 0.7-1.3 cm, papery, usually with 2 lateral veins raised more than midvein abaxially (especially toward base), articulate 7-12 cm from base, apex acuminate. |
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Inflorescence arising from within sheaths at base of pseudobulb, arching or pendulous, 18-35 cm; rachis laxly 5-9-flowered; floral bracts subtriangular, 4-5 mm. Flowers usually not fragrant, 4-5 cm in diam.; pedicel and ovary 10-20 mm, elongating in fruit; sepals and petals white or cream-yellow, with a central maroon stripe extending from base to slightly above middle or occasionally wholly tinged pale purplish red; lip maroon, tinged white at its base and at center of mid-lobe, lateral lobes with dense white stripes. Sepals porrect, narrowly oblong-elliptic, 22-27 × 5-7 mm, apex acute or acuminate. Petals narrowly ovate-oblong, 17-23 × 4-6 mm, apex acute; lip subovate, 15-19 mm, not fused to basal margins of column, 3-lobed; lateral lobes nearly as long as column; mid-lobe recurved, 7-9 mm; disk densely glandular-papillose, with 2 longitudinal lamellae extending from base of lip to base of mid-lobe; lamellae continuous with 2 glandular-hairy lines that extend from apices of lamellae to middle of mid-lobe. Column slightly arcuate, 9-10 mm; pollinia 2. Capsule ellipsoid, 40-50 × 20-28 mm. Fl. Aug-Dec, fr. Feb-Apr. |
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