Plants perennial herb or subshrub form.
Stems erect, 0.5 1 m high, base woody, surface yellow brown, with longitudinal stripes, many-branched;
After all have brown silky hair at a young age, growing nearly glabrous.
Leaves 1-3 plume head back deep cleft, lower lobes broad short, were often short silky hairs;
Central leaf lobes thin such as hair, about 1 mm wide;
Upper Ye Yu head split, trilobed or does not crack, nearly glabrous.
Small and more capitulum, dense after total shape;
Bracts 3-4 layer, glabrous, outer ovate, elliptic, inner central green, margin membranous;
Flowers yellow, tubular, outer flowers 3-5, female, yukon, inner flowers bisexual 5-7, infertility.
Achenes oblong, ca. 0.8 mm long, glabrous.
Flowering in October 9 -, fruiting: oct.-dec.
Born in slope, the side of the road.
Across the country have distribution