全缘叶缬草 quan yuan ye xie cao

Plants 20-50 cm tall. Rhizomes reduced; roots fascicled, 0.5-1.5 mm in diam. Stems solitary, simple, hirsute. Leaves simple; basal leaves spatulate, caducous; cauline leaves in 3-5 pairs; lower leaves petiolate, petiole 0.5-3 cm; upper leaves subsessile to sessile; blade ovate or oblong, 1-5 × 0.7-3 cm, hirsute, margin entire or serrate, apex obtuse to acute. Inflorescence capitate at anthesis, 1-2 cm in diam., ca. 5 cm in diam. in fruit; bracts linear, 0.7-1.1 cm. Corolla white or light pink, funnelform, 2.5-3.5 mm; lobes ca. 1 mm. Achenes narrowly ovoid, 3-3.5 mm, glabrous. Fl. late Jun-Aug, fr. Sep.

● Forests; 2000-3000 m. Shaanxi (Taibai Shan), NW Sichuan.