绿花杓兰（中国高等植物图鉴）
Cypripedium henryi Rolfe in Kew Bull. 1892: 211. 1892, et in Gard. Chron. ser. 3, 12: 364. 1892; Rolfe in J. Linn. Soc. Bot. 36: 65. 1903; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 82. 1919; S. Y. Hu in Quart. J. Taiwan Mus. 26 (1-2): 145. 1973;中国高等植物图鉴5: 605. 图8039. 1976; S. C. Chen et Y. Z. Xi in Proc. 12th World Orch. Conf. 144. 1987; K. Y. Lang et Z. H. Tsi in Bot. Res. Inst. Bot. 6: 49. 1992;横断山区维管植物2: 2511. 1994; Z. H. Tsi in Selbyana 18(1): 17. 1997; Z. H. Tsi, S. C. Chen et K. Mori, Wild. Orch. China 12. pl. 4. 1997; Cribb, Genus Cypripedium 153. fig. 19. pl. 12, 67, 68. 1997;中国兰花全书117.图6-2(7). 1998.——Cypripedium chinense Franch. in J. Bot. (Morot)8: 230. 1894.
Humus-rich places in open forests, at forest margins, or on scrubby slopes; 800-2800 m. S Gansu, Guizhou, W Hubei, S Shaanxi, S Shanxi, Sichuan, NW to SE Yunnan. |
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Plants 30-60 cm tall, with a rather stout rhizome. Stem erect, pubescent, with several sheaths at base and 4 or 5 leaves above. |
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Leaf blade elliptic to ovate-lanceolate, 10-18 × 6-8 cm, glabrous or pubescent near abaxial base, apex acuminate. |
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Inflorescence terminal, usually 2- or 3-flowered; floral bracts foliaceous, ovate-lanceolate or lanceolate, 4-10 × 1-3 cm, glabrous or occasionally pubescent on abaxial veins, apex cuspidate-acuminate; pedicel and ovary 2.5-4 cm, densely white glandular hairy. Flowers green to greenish. Dorsal sepal ovate-lanceolate, 3.5-4.5 × 1-1.5 cm, slightly pubescent on abaxial veins especially toward base, apex acuminate; synsepal similar to dorsal sepal, apex shallowly 2-lobed. Petals usually slightly twisted, linear-lanceolate, 4-5 × 0.5-0.7 cm, pubescent toward adaxial base and on abaxial veins, apex acuminate; lip deeply pouched, ellipsoid, ca. 2 cm, ca. 1.5 cm in diam., outside glabrous, inner bottom hairy. Staminode elliptic or ovate-elliptic, 6-7 × 3-4 mm, abaxially carinate, base with a stalk 2-3 mm. Capsule subellipsoid or narrowly ellipsoid, to 3.5 × 1.2 cm, hairy. Fl. Apr-May, fr. Jul-Sep. 2n = 22*.
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