中文名（Chinese Name）：佩兰
学名（Scientific Name）：Eupatorium fortunei Turcz.
英文名（English Common Name）：
别名（Chinese Common Name）：兰草
异名（Synonym）：Eupatorium stoechadosmum Hance  Eupatorium caespitosum Miq.  Eupatorium chinense var. tripartitum Miq. 
科属（Family & Genus）：菊科（Compositae）泽兰属
形态特征（Description）：多年生草本，高40-100厘米。根茎横走，淡红褐色。茎直立，绿色或红紫色，基部茎达0.5厘米，分枝少或仅在茎顶有伞房状花序分枝。全部茎枝被稀疏的短柔毛，花序分枝及花序梗上的毛较密。中部茎叶较大，三全裂或三深裂，总叶柄长0.7-1厘米；中裂片较大，长椭圆形或长椭圆状披针形或倒披针形，长5-10厘米，宽1.5-2.5厘米，顶端渐尖，侧生裂片与中裂片同形但较小，上部的茎叶常不分裂；或全部茎叶不裂，披针形或长椭圆状披针形或长椭圆形，长6-12厘米，宽2.5-4.5厘米，叶柄长1-1.5厘米。全部茎叶两面光滑，无毛无腺点，羽状脉，边缘有粗齿或不规则的细齿。中部以下茎叶渐小，基部叶花期枯萎。头状花序多数在茎顶及枝端排成复伞房花序，花序径3-6(10)厘米。总苞钟状，长6-7毫米；总苞片2-3层，覆瓦状排列，外层短，卵状披针形，中内层苞片渐长，长约7毫米，长椭圆形；全部苞片紫红色，外面无毛无腺点，顶端钝。花白色或带微红色，花冠长约5毫米，外面无腺点。瘦果黑褐色，长椭圆形，5棱，长3-4毫米，无毛无腺点；冠毛白色，长约5毫米。花果期7-11月。
分布（Distribution）：产山东、江苏、浙江、江西、湖北、湖南、云南、四川、贵州、广西、广东及陕西，生于路边灌丛及山沟路边。日本、朝鲜也有。
用途（Use）：药用全草，性平，味辛，利湿，健胃，清暑热。
引自中国植物志英文版FOC Vol. 20-21 Page 884, 886
Eupatorium fortunei Turczaninow, Bull. Soc. Imp. Naturalistes Moscou. 24(1): 170. 1851.
佩兰 pei lan| Asteraceae  | Eupatorium
Eupatorium caespitosum Migo; E. chinense Linnaeus var. tripartitum Miquel; E. fortunei var. angustilobum Y. Ling; E. stoechadosmum Hance.
Herbs, perennial, 40-100 cm tall. Rhizomes procumbent, reddish brown. Stems erect, green or reddish purple, few branched or apically synflorescence branched, sparsely puberulent, more densely on synflorescences and peduncles. Median stem leaves large, 3-sect or 3-partite; petiole 0.7-1 cm; terminal lobe large, narrowly elliptic, elliptic-lanceolate, or oblanceolate, 5-10 × 1.5-2.5 cm, apex acuminate; lateral lobes identical to terminal lobe but smaller, pinnately veined; margin coarsely toothed or irregularly finely toothed; lower stem leaves gradually smaller; radical leaves withered by anthesis. Capitula numerous in apical compound corymbs; synflorescence 3-6(-10) cm in diam. Involucre campanulate, 6-7 cm; phyllaries 2- or 3-seriate, imbricate, outer phyllaries short, ovate-lanceolate; median and inner phyllaries gradually longer, narrowly elliptic, ca. 7 mm; all phyllaries purple-red, without hairs and glands, apex obtuse; corollas white or reddish, ca. 5 mm, eglandular. Achenes black-brown, elliptic, 3-4 mm, 5-angled, glabrous and eglandular; pappus white, ca. 5 mm. Fl. and fr. Jul-Nov. 2n = 40.
Rare as a wild plant, but commonly cultivated, usually in thickets or roadside ditches; ca. 2000 m. ?Anhui, ?Fujian, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Sichuan, Yunnan, Zhejiang [?introduced in Japan, Korea, N Thailand, Vietnam].
The whole plant of Eupatorium fortunei is fragrant like Lavandula angustifolia Miller when crushed.
The plant is used medicinally The fragrant stems and leaves are used for making fragrant oils.
（责任编辑：徐晔春）