绢叶旋覆花 juan ye xuan fu hua

Herbs, perennial. Stems 30-60 cm tall, usually simple, white lanate above, sparsely leafy. Radical leaves persistent at anthesis, ovate, elliptic, or oblong-oblanceolate, 4-7 × 1.5-2 cm, abaxially densely sericeous, adaxially pubescent or glabrescent, base decurrent to petiole, margin serrulate, apex obtuse or rounded; lower leaves nearly similar to radical leaves in shape, or spatulate or oblong, smaller; upper leaves oblong-lanceolate to linear, base semiamplexicaul, apex acute. Capitula solitary on top of stems and branches, ca. 3 mm in diam. Involucre broadly campanulate or hemispheric, ca. 10 mm, white lanate outside; phyllaries in numerous series, subequal, outer ones linear-lanceolate, herbaceous or basally leathery, apex acute, inner linear-lanceolate, dry membranous, margin ciliate, apex acuminate. Ray florets yellow; lamina linear, ca. 15 × 1.5 mm. Disk florets yellow; corolla ca. 4 mm. Achenes 10-striped, ca. 1.5 mm, glabrous, apex truncate. Pappus white, later light brown, of ca. 20 bristles, ca. 4 mm. Fl. May-Jun, fr. Jun-Jul.

Grassy slopes; 1500-3000 m. Yunnan [Vietnam].