西南白头翁 xi nan bai tou weng

Anemone millefolium Hemsley & E. H. Wilson, Bull. Misc. Inform. Kew 1906: 149. 1906; Anemone mairei H. Léveillé.

Plants 3.5--20 cm tall. Rhizome 7--9 mm in diam. Leaves 5--14, fully developed at anthesis; petiole 1.9--6.5 cm, with long pilose hairs; leaf blade ovate-elliptical to ovate-oblong, 2--10 × 1.2--4 cm, with 5 or 6 pairs of lateral leaflets, 3 × pinnately divided, abaxially sparsely pilose, adaxially glabrous, apex acute, secondary lobes finely divided, terminal lobes triangular to narrowly ovate and ca. 2 mm wide. Scape 1, erect, 10--15 cm, thickly pilose; involucral bracts 0.9--2.2 cm, basally connate into a 2--2.5 mm tube, apically finely divided, terminal lobes lanceolate-linear, 0.5--1 mm wide, sparsely pilose. Sepals pale yellowish green, yellow, or reddish purple, erect, ovate-elliptical, 0.9--2 × 0.4--0.8 cm, abaxially thickly puberulent. Stamens ca. 1/2 as long as sepals; anthers yellow. Infructescences ca. 7 cm in diam. Achenes ca. 4 mm, thickly puberulent. Persistent styles 3--3.5 cm, puberulent. Fl. May--Jul.

* Forests, scrub, roadsides, slopes, dry stony places; 2200--3300 m. Sichuan, NE Yunnan.