长叶兰（中国高等植物图鉴）
Cymbidium erythraeum Lindl. in J. Proc. Linn. Soc. Bot. 3: 30. 1859; Y. S. Wu et S. C. Chen in Acta Phytotax, Sin. 18 (3): 303. fig. 3 (8). 1980. “erythraecum”;西藏植物志5: 816.图447. 1987; Du Puy et Cribb, Genus Cymbidium 118. phot. 88, 89. fig. 23 (3). 1988;中国兰花 (第二版) 63.1993;横断山区维管植物2: 2601. 1994;中国兰花全书82.彩图5-7. 1998.——Cymbidium longifolium auct. non D. Don: Lindl., Gen. Sp. Orch. Pl. 163. 1833; 中国高等植物图鉴5: 749.图8328. 1976. ——Cyperorchis longifolia (D. Don) Schltr. in Fedde Repert. Sp. Nov. 20: 108. 1924.
Trees and rocks at forest margins and in forests; 1400-2800 m. C and SW Guizhou, SW Sichuan, SE Xizang, NW, SE, and W Yunnan [Bhutan, India, Myanmar, Nepal, Vietnam].The type specimen was collected from Sikkim. |
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Plants epiphytic or lithophytic, autotrophic. Pseudobulbs ovoid, bilaterally flattened, 2-6 × 1.5-3 cm, enclosed in leaf bases. |
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Leaves distichous, 5-12, deep green tinged purple at base, lorate, 35-90 × 0.7-1.5 cm, articulate 2.5-6.5 cm from base. |
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Inflorescence arising from within sheaths at base of pseudobulb, suberect or arching, 40-75 cm, slender; rachis 23-29 cm, 3-8-flowered; floral bracts subtriangular, 2-4 mm. Flowers fragrant, 6.5-8 cm in diam.; pedicel and ovary 25-43 mm; sepals and petals green with heavy reddish brown longitudinal stripes and irregular spots of same color, or uniformly greenish yellow; lip pale yellow or white with red-brown venation on lateral lobes and a few red-brown spots and a central longitudinal dash on mid-lobe, or white with yellow venation on lateral lobes and scattered yellow spots on mid-lobe. Sepals narrowly oblong-oblanceolate to narrowly obovate-oblong, 34-52 × 7-14 mm, apex acute to obtuse. Petals falcate, ligulate, 33-53 × 4-7 mm, apex acute; lip elliptic-ovate, 24-43 mm, base fused to basal margins of column for 2-3 mm, 3-lobed; lateral lobes erect, subovate, sometimes shortly ciliate; mid-lobe slightly recurved, cordate to ensiform, 8-9 × 10-11 mm, sometimes sparsely shortly hairy; disk densely hairy at apices of lateral lobes, papillate near base and on mid-lobe, with 2 puberulent lamellae extending to base of mid-lobe; lamellae slightly swollen toward apices. Column 23-32 mm, narrowly winged, sparsely hairy toward base; pollinia 2, subtriangular. |
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Capsule fusiform-ellipsoid, 40-50 × 20-30 mm. Fl. Oct-Jan, fr. Mar-May. | ||
