形态描述

多年生草本。根茎粗壮。茎花葶状，浅灰褐色，高30-70cm，幼时被密的淡黄色柔毛，后毛脱落。叶全部基生，莲座状；叶片肾形，通常长4-15cm，宽6-30cm，先端圆形，基部心形，边缘有尖头细齿或全缘，两面幼时被灰色柔毛，后变无毛；叶柄长10-38cm，基部扩大呈短鞘，鞘内被密毛；茎生叶1-3，苞叶状，长圆形或线状披针形，长1-2cm，无柄，抱茎。头状花序直径4-6cm，梗长1.5-7cm，排列呈疏散伞房状；总苞钟形或宽陀螺形，总苞片12-14，2层，长圆形，先端渐尖，外面被细毛，内层边缘褐色宽膜质；缘花舌状，黄色，8-12，舌片长圆形或匙状长圆形；盘花管状，黄色，多数。瘦果圆柱形，有纵肋，被成行的短毛；冠毛棕褐色，糙毛状，等长。花果期7-10月。

分布地区

区内栽培，为高架桥下常见地被。分布于我国东部；日本、朝鲜半岛也有。

主要用途

全草入药，有活血止血、散结消肿之效。

中国植物志英文版

Rhizomes stout, 1-2 cm in diam. Scape to 70 cm tall, 5-6 mm in diam. at base, initially densely shortly pale yellow pilose, glabrescent. Leaves with petiole 15-25 cm, initially densely shortly pale yellow pilose, ± glabrescent, amplexicaul, sheath densely villous inside; leaf blade abaxially pale green, adaxially green, reniform, 9-13 × 11-22 cm, subleathery, initially gray puberulent, glabrescent, base cordate, margin entire or dentate to palmatilobed, apex rounded; sinus ca. 1/3 as long as leaf blade. Stem leaves bracteal, oblong or linear-lanceolate, 1-2 cm. Capitula 2-7 in corymb; peduncles 2-13 cm, puberulent. Involucre campanulate or broadly turbinate, 1.2-1.5 cm, mouth to 1.5 cm in diam., outside puberulent; phyllaries 12-14, oblong, apex acuminate; inner phyllaries broadly membranous at margin. Ray florets 8-12, yellow; lamina oblong or spatulate-oblong, 1.5-2.2 cm × 3-4 mm, apex rounded or acute. Tubular florets numerous, 1-1.2 cm; tube ca. 6 mm. Achenes ca. 7 mm, ribbed, hairy. Pappus white, as long as tubular corolla. Fl. and fr. Aug to following Mar. 2n = 60. Forests, grassy slopes, valleys, sometimes cultivated in gardens; low elevations. ?Anhui, Fujian, Guangdong, Guangxi, Hubei, Hunan, ?Jiangsu, Taiwan, Zhejiang [Japan].----from “Flora of China”