白及（中国种子植物科属辞典）
Bletilla striata (Thunb. ex A. Murray) Rchb. f. in Bot. Zeit. 36: 75. 1878; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 159. 1919; Hand. -Mazz., Symb. Sinic. 7: 1343. 1936; S. Y. Hu in Quart. J. Taiwan Mus. 25 (1, 2): 57. 1972. Garay et Sweet, Orch. South. Ryukyu Isl. 54. 1974;中国高等植物图鉴5: 653.图8135. 1976;横断山区维管植物2: 2555. 1994. ——Limodorum striatum Thunb. ex A. Murray in Linnaeus Syst. Veg., ed. 14, 816. 1784 (July). ——Limodorum striatum Thunb., Fl. Jap. 28. 1784 (Aug.). ——Cymbidium hyacinthinum J. E. Smith, Exot. Bot. 1: 117. t. 60. 1804. ——Bletia hyacinthina (J. E. Smith) R. Br. in Aiton, Hort. Kew. ed. 2, 5: 206. 1813. ——Bletia gebina Lindl. in J. Hort. Soc. 2: 307. 1847. ——Bletilla gebina (Lindl.) Rchb. f. in Fl. Serres Jard. Eur. 8: 246. 1853. ——Bletilla striata var. gebina (Lindl.) Rchb. f. in Bot. Zeit. 36: 75. 1878. ——Bletilla hyacinthina (J. E. Smith) Rchb. f., l. c. ——Bletia striata (Thunb. ex A. Murray) Druce in Rept. Bot. Exch. Club. Brit. Isles 4: 609. 1917. ——Jimensia striata (Thunb. ex A. Murray) Garay et Schultes in Bot. Mus. Leafl. Harv. Univ. 18: 184. 1958.
Evergreen broad-leaved forests, Quercus forests, coniferous forests, grassy places, crevices; 100-3200 m. Anhui, Fujian, SE Gansu, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, S Shaanxi, Sichuan, Zhejiang [Japan, Korea, Myanmar]. |
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Plants 18-60 cm tall. Rhizome dorsiventrally compressed, subglobose or irregularly shaped, 1-3 cm in diam. Stem 3-25 cm, stout, enclosing several long tubular sheaths, 4-6-leaved. |
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Leaves widely spaced or clustered toward apex of stem, narrowly oblong to lanceolate-elliptic, 8-29 × 1.5-4 cm, base contracted into amplexicaul sheath, apex acuminate. |
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Peduncle 14-34 cm, slender, usually with 1 sheathing bract; rachis flexuous, sometimes pendulous, 2-7 cm, simple or sometimes branched, 3-10-flowered; floral bracts usually deciduous at anthesis, oblong-lanceolate, 6-20 mm. Flowers erect or spreading, purplish red or pink, large; pedicel and ovary twisted, 10-24 mm. Sepals purplish red or pink, narrowly oblong, 14-30 × 4-8 mm, lateral ones slightly oblique, apex acute. Petals similar to but slightly larger than sepals, purplish red or pink, 14-32 × 4-11 mm, apex acute; lip white, tinged with purplish red, with purplish veins, obovate-elliptic, 14-28 × 10-18 mm, 3-lobed above middle; lateral lobes erect and embracing column, triangular to suborbicular, apex acute; mid-lobe square, 3-8 × 2-6 mm, margin slightly crisped, apex truncate; disk with 5 longitudinal lamellae extending from base of lip almost to apex of mid-lobe; lamellae undulate only on mid-lobe. Column subterete, 14-20 mm, slender, dilated toward apex, with narrow wings; rostellum large. Capsule to 3.4 cm. Fl. Apr-May. 2n = 32, 38, 76. |
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