兔耳一枝箭 tu er yi zhi jian

Arnica hirsuta Forsskål, Fl. Aegypt.-Arab. 151. 1775; A. piloselloides Linnaeus; Gerbera amabilis Hance; G. hirsuta (Forsskål) Lessing; G. ovalifolia Candolle; G. piloselloides (Linnaeus) Cassini.

Herbs, perennial; rhizome covered by marcescent petiole. Leaves in basal rosette; petiole 1-7.5 cm, lanuginous; leaf blade obovate, obovate-oblong, or oblong, rarely ovate, 6-16 × 2.5-5.5 cm, papery, abaxially densely white arachnoid lanuginous, adaxially glabrate, base attenuate or obtuse, margin entire, ciliate, apex rounded. Scapes solitary or tufted, 15-30(-45) cm, densely tomentose, ebracteate. Capitula solitary, terminal, radiate, 2.5-4 cm in diam.; involucre disciform; phyllaries 2-seriate, linear or linear-lanceolate, outer phyllaries 8-11 mm, inner phyllaries 1.4-4.8 cm. Marginal florets 2-seriate, female, bilabiate, outer female florets with obvious limbs, corolla 1.6-1.8 cm, outer lip oblanceolate or spatulate-oblong, 3-denticulate at apex, inner shallowly 2-lobed, lobes filiform, coiled, inner female florets tubular, without obvious limbs, corolla 1-1.2 cm; central florets many, bisexual, bilabiate (tubular), corolla ca. 1.2 cm. Achenes fusiform, 4.5-6.5 mm, finely bristly, ribbed, long beaked, beak 7-8 mm, glabrous; pappus mandarin-red or brownish, ca. 1.1 cm. Fl. Feb-May and Aug-Dec.

Grassy open areas, forest margins, disturbed sites; 900-2400 m. Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Xizang, Yunnan, Zhejiang [India, Indonesia, Japan, Laos, Myanmar, Nepal, Thailand, Vietnam; Africa, Australia].