蜂腰兰（横断山区维管植物）
云南蜂腰兰（中国高等植物图鉴）
Bulleyia yunnanensis Schltr. in Not. Bot. Gard. Edinb. 5: 108. t. 82. 1912; et in Fedde Repert. Sp. Nov. Beih. 4: 190. 1919; S. Y. Hu in Quart. J. Taiwan Mus. 25 (1, 2): 64. 1972; 中国高等植物图鉴5: 693.图8216.1976; 横断山区维管植物2: 2579. 1994; 中国兰花全书198.图6-22 (6-9). 1998.
Epiphytic on tree trunks in forests or lithophytic on rocks along valleys; 700-2700 m. NW to SE Yunnan [Bhutan, NE India]. |
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Pseudobulbs golden yellow when dried, lucid, narrowly ovoid or narrowly ovoid-ellipsoid, 3.5-7 × 1-2 cm, rugose-grooved. |
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Leaves 2, oblong-lanceolate or nearly lanceolate, 16-43 × 1.5-3 cm, papery, base cuneate, apex long acuminate; petiole 5-12 cm, grooved. |
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Inflorescence laxly 10-15-flowered; peduncle 30-66 cm; rachis 6-16 cm, glabrous; floral bracts pale reddish green, broadly ovate, 1.5-2 × 1.2-1.5 cm, papery, subacute. Flowers white, with pale brown lip and reddish brown anther cap; pedicel and ovary 6-7 mm, glabrous. Sepals subsimilar, 5-veined; dorsal sepal ovate-oblong, 12-14 × 4-5 mm, apiculate; lateral sepals nearly narrowly ovate-lanceolate, oblique, 15-18 × 5-6 mm, apiculate. Petals elliptic-oblong, 15-18 × 2-3 mm, 3-veined, oblique, acute to apiculate; lip 12-14 × 5-6 mm, deeply constricted at middle, spurred, entire; hypochile ovate-elliptic, concave at base; epichile reniform, emarginate; disk with 3 thickened, keeled veins on mesochile; spur arising from between sepals, cylindric, curved-porrect. Column 8-10 mm, upper wings 2-3 mm wide, glabrous. |
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Capsule erect, ellipsoid, 1.5-2 cm × 8-10 mm. Fl. Jul-Aug, fr. Oct. | ||
