Achillea alpina L., Sp. Pl. 899. 1753. A. sibirica Ledeb. Ind. Sem. H. Dopart. 1811; Balakr. in Bull. Bot. Surv. Ind. 16(1-4): 170. 1974 (1977).

Undershrubs, erect; stems 20 - 80 cm high, woody. Leaves linear-oblong, 2 - 10 x 0.5 - 1.5 cm, pectinately pinnatipartite, segments oblong-lanceolate, mucronate, acutely dentate, 1 - 2 mm wide, more or less 1 mm apart, appressed-pilose. Heads pale purple to white, in dense corymbs, 9 - 12 mm in diam.; peduncles 4 - 1,0 mm long. Involucral bracts 4-seriate, 4 - 5 mm long. Achenes 2 x 1 mm. Pappus absent.

Fl. & Fr. Sept. - Oct.

Distrib. India: E. Himalayas, between 1200-1900 m. Meghalaya.

N. & C. Asia, China, Indochina and Japan.

Notes. This species so far known to occur in China and Siberia is probably introduced as a garden plant and now runs wild.