云南杓兰（横断山区维管植物）
Cypripedium yunnanense Franch. in J. Bot. (Morot)8: 231. 1894; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 85. 1919; S. Y. Hu in Quart. J. Taiwan Mus. 26(1-2): 149. 1973;横断山区维管植物2: 2511. 1994; Cribb, Genus Cypripedium 198. fig. 30. pl. 121, 122. 1997; Frosch in Orchidee 48(4): 169. 1997; 中国兰花全书115.图6-2(5). 1998. ——Cypripedium amesianum Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 38. 1919.
Pinus forests, thickets, grassy slopes; 2700-3800 m. SW and W Sichuan, SE Xizang, NW Yunnan. |
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Leaf blade elliptic or elliptic-lanceolate, 6-14 × 1-3.5 cm, abaxially puberulent especially on veins, adaxially glabrous or sparsely puberulent, apex acuminate. |
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Inflorescence terminal, with 1 flower; peduncle sparsely pubescent in upper part; floral bracts foliaceous, ovate-elliptic or ovate-lanceolate, 4-6 × ca. 1.5 cm, both surfaces sparsely pubescent, apex acute or acuminate; pedicel and ovary 2-3.5 cm, glabrous or upper part slightly hairy. Flower 4-6 cm in diam., pink, purplish red, or occasionally off-white, with darker veins; staminode white with a purple stripe centrally. Dorsal sepal ovate-elliptic, 2.2-3.2 × 1.2-1.6 cm, apex acuminate; synsepal elliptic-lanceolate, 2.2-3.2 × 0.8-1 cm, apex shallowly 2-lobed. Petals slightly twisted or not, lanceolate, 2.2-3.2 × 0.7-0.8 cm, adaxial base hairy, apex acuminate; lip deeply pouched, ellipsoid, 2.2-3.2 × 1.5-1.8 cm, with a paler rim to its mouth, outer surface glabrous, inner bottom hairy. Staminode elliptic or ovate, 6-7 × 3-4 mm, base subsessile. Fl. May. |
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