烟管头草 yan guan tou cao

Carpesium spathiforme Hosokawa.

Herbs, perennial. Stems 50-100 cm tall, robust, erect, densely white villous and crisp puberulent at base, much branched. Lower cauline leaves thin, spatulate-oblong, 9-25 × 4-6 cm, densely white villous on both surfaces, abaxially pale, adaxially green, base contracted and attenuate into winged petiole, margin irregularly doubly serrate, mucronulate, apex acute or obtuse; median leaves slightly smaller, oblong, apex obtuse or sometimes acuminate. Capitula solitary, 15-18 mm wide, long pedunculate, subtending leaves many, linear-lanceolate, 2-5 cm, base narrow, apex obtuse. Involucres cupuliform, 7-8 mm; outer phyllaries leaflike, scarious near base, abaxially white pilose, inner ones narrowly oblong, scarious, obtuse. Corolla of marginal florets tubular, ca. 1.5 mm; disk florets tubular, ca. 2.5 mm, limb ca. 1 mm. Achenes linear, 4.5-5 × ca. 1 mm. Fl. Jun-Aug, fr. Sep-Oct. 2n = 40.

Waste fields, montane slopes; below 2900(-3400) m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Afghanistan, India, Indonesia, Japan, Korea, Pakistan, Papua New Guinea, Philippines, Russia, Vietnam; Australia, SW Asia (Caucasus), Europe].

"Carpesium ciliatum," "C. pedunculosum," and "C. pubescens" (Wallich, Numer. List, nos. 3214, 3200, 3199. 1831) belong here but are nomina nuda and were therefore not validly published (Vienna Code, Art. 32.1(d)).