中文名（Chinese Name）：毛裂蜂斗菜
学名（Scientific Name）：Petasites tricholobus Franch.
英文名（English Common Name）：
别名（Chinese Common Name）：冬花、蜂斗菜
异名（Synonym）：Ligularia petelotii Merr.  Petasites himalaicus Kitam.  Petasites mairei H. Lév.  Petasites petelotii (Merr.) Kitam.  Petasites vanioti H. Lév.  Petasites vaniotii H.Lév.
科属（Family & Genus）：菊科（Compositae）蜂斗菜属
形态特征（Description）：年生草本，根状茎短，有多数纤维状根，全株被薄蛛丝状白色绵毛。早春从根状茎长出花茎，近雌雄异株；雌株花茎高27-60厘米，具鳞片状叶；苞叶卵状披针形，长3-4厘米，基生叶具长柄，叶片宽肾状心形，长2-8厘米，边缘有细齿，齿端具软骨质小尖，叶脉掌状两面被白色绵毛，或后多少脱毛；雌头状花序在花茎顶端排成密集的聚伞状圆锥花序，直径8-12毫米；花序梗长1-2.5厘米，有1或数枚披针形苞叶；总苞钟状；总苞片1层，10-12个，披针形，或披针状长圆形，长约7毫米，外面有小苞片雌花花冠顶端4-5撕裂，裂片不等长，丝状或钻形；花柱伸出花冠；柱头2裂；雄头状花序在花茎端排成伞房状或圆锥状，花冠管状，裂片披针形；花柱伸出花冠外，柱头头状，略分枝，瘦果圆柱形，无毛；雌花的冠毛丰富，白色；雄花的冠毛较少，短于花冠。
分布（Distribution）：产山西、陕西、甘肃、青海、云南、四川、贵州、西藏等地，常生于海拔700-4200山谷路旁或水旁。尼泊尔、印度及越南也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 20-21 Page 462, 463
Petasites tricholobus Franchet, Nouv. Arch. Mus. Hist. Nat., sér. 2. 6: 52. 1883.
毛裂蜂斗菜 mao lie feng dou cai| Asteraceae  | Petasites
Ligularia petelotii Merrill; Petasites himalaicus Kitamura; P. mairei H. Léveillé; P. petelotii (Merrill) Kitamura; P. vaniotii H. Léveillé.
Plants subdioecious. Rhizomes short, with numerous fibrous roots, thinly arachnoid-lanate. Scapes emerging from rhizomes in early spring. Stems of female synflorescences 27-60 cm tall, with scale-shaped leaves; bracteal leaves ovate-lanceolate, 3-4 cm, basal leaves long petiolate; blade broadly reniform-cordate, 2-8 cm, both surfaces white lanate, or later ± glabrescent, palmately veined, margin finely toothed, with cartilaginous mucronulate teeth. Male capitula arranged in terminal corymbs or panicles; corolla tubular, segments lanceolate; style exceeding corolla, stigma capitate, slightly branched. Female capitula densely arranged in terminal cymose panicles, 8-12 mm in diam.; peduncles 1-2.5(-8) cm, with 1 to few lanceolate bracteal leaves; involucres campanulate, 10-12 mm; phyllaries uniseriate, 10-12, lanceolate or lanceolate-oblong, ca. 7 mm, calyculate; corolla apically 4- or 5-lacerate; segments unequal, filiform or subulate; style exceeding corolla, stigma 2-fid. Achenes cylindric, glabrous. Pappus of many fine bristles in female florets, in male few, shorter than corolla. Fl. Apr-Jun.
Roadsides, by streams in valleys; 700-4300 m. Gansu, Guizhou, Henan, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan [Bhutan, India, Nepal, Vietnam].
The plants of Petasites tricholobus are used medicinally as in P. japonicus.
（责任编辑：徐晔春）