银兰（日本植物图鉴）
Cephalanthera erecta (Thunb. ex A. Murray) Bl. , Orch. Arch. Ind. 188. t. 65. fig. 2 (a-c) . 1858; Rolfe in J. Linn. Soc. Bot. 36: 48. 1903; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 150. 1919; S. Y. Hu in Quart. J. Taiwan Mus. 25 (3-4) : 211. 1972;秦岭植物志1: 414.图403. 1976;中国高等植物图鉴5: 649.图8128. 1976; 安徽植物志5: 536. 1992; 浙江植物志7: 515. 1993; 福建植物志6: 655. 图582. 1995. ——Serapias erecta Thunb. ex A. Murray in L. , Syst. Veg. ed. 14, 816. 1784.——Epipactis erecta Sw. in Vet. Acad. Nya Handl. 21: 232. 1800.——Cephalanthera erecta (Thunb. ex A. Murray) Bl. var. szechuanica Schltr. in Fedde Repert. Sp. Nov. Beih. 12: 342. 1922.——Cephalanthera szechuanica (Schltr. ) Schltr. in Acta Hort. Gothob. 1: 146. 1924.
Clearings in forests, thickets; 800–2300 m. Anhui, N Fujian, S Gansu, N Guangdong, N Guangxi, Guizhou, Hubei, Jiangxi, S Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan, Korea]. The report of this species from Xizang (Zayü) (Fl. Xizang. 5: 747. 1987) was based on a fruiting specimen, which was obviously misidentified |
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Plants leafy, autotrophic, 10–30 cm tall. Stem slender, with 2–4 basal sheaths, 2–4(or 5)-leaved. Leaves elliptic to ovate |
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lanceolate, 2–8 × 0.7–2.3 cm, apex acute or acuminate. Inflorescence ± laxly 3–10-flowered; rachis 2–8 cm, ridged; basal floral bract foliaceous, lanceolate and to 80 mm, distal ones narrowly triangular, 1–3 mm. Flowers erect, weakly spreading or not opening at all, white; pedicel and ovary 6–9 mm. Sepals oblong-elliptic, 8–10 × 2.5–3.5(–4.5) mm, 5-veined, apex acute to obtuse. Petals similar to sepals but slightly shorter; lip 5–6 mm, spurred at base, 2-partite; hypochile lobes erect and embracing column, ovate-triangular to lanceolate, 1.5–2.5 mm, apex acute; epichile subcordate to broadly ovate, ca. 3 × 4– 5(–5.5) mm, apex acute, with 3 brownish longitudinal lamellae, papillate toward apex; spur protruding between bases of lateral sepals, conic, 2–3 mm, apex subacute. Column 3.5–4 mm, with 2 narrowly oblong wings; anther ovoid, ca. 1.5 mm. Capsule narrowly elliptic to broadly cylindric, ca. 1.5 × 0.3–0.5 cm. Fl. Apr–Jun, fr. Aug–Sep. 2n = 34. |
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