Description from Flora of China
Herbs perennial. Stems suberect, prostrate at base, 60-90 cm tall, branched, striate, pilose, tomentose upward. Petiole 7-10 mm, densely pubescent; leaf blade narrowly ovate or broadly so, 8-15 × 3-5 cm, both surfaces pilose, densely so along veins or abaxially densely brown tomentose, base broadly cuneate or subrounded, margin densely shortly ciliate, apex acuminate or caudate; ocrea tubular, 7-15 mm, membranous, pilose, apex oblique. Inflorescence paniculate; rachis and branches tomentose; bracts ovate, ca. 3 mm, membranous, glabrous, apex acute, sparsely ciliate, each 2- or 3-flowered. Pedicel 1.5-2 mm, apex articulate. Perianth pinkish or white, 5-parted; tepals obovate, ca. 3 mm, unequal. Stamens 8, included; anthers purple. Styles 3, filiform, ca. 2 mm; stigmas capitate. Achenes included in persistent perianth, yellow-brown, slightly shiny, broadly ellipsoid, trigonous, ca. 3.5 mm. Fl. Jul-Aug, fr. Sep-Oct.
Slopes, valleys; 1400-4100 m. Guizhou, W Hubei, Sichuan, Xizang, Yunnan [Bhutan, N Myanmar, Nepal, Sikkim].