| Family | Asteraceae (alt. Compositae) |
| Scientific name | Achillea alpina L. |
| Synonyms | Achillea alpina L. var. longiligulata H. Hara; Achillea mongolica Fischer ex Sprengel; Achillea sibirica Ledebour; Achillea sibirica Ledebour subsp. mongolica Heimerl; Achillea sibirica Ledebour var. typica Regel; Ptarmica alpina (L.) de Candolle; Ptarmica mongolica (Fischer ex Sprengel) de Candolle; Ptarmica sibirica Ledebour |
| Common name | (Japanese common name) nokogiri-sou (ノコギリソウ, 鋸草 [meaning: saw weed]) |
| (English common name) Chinese yarrow | |
| Distribution | (Japan) Hokkaido, Honshu |
| (Other nations) Russia, Korea, China, Mongolia, Caucasus, Europe, Canada, USA | |
| Habitat | (Hokkaido) field; (Honshu) mountane or subalpine field |
| Chromosomal number | 2n=36 |
| Description | Plants electing 50-100cm tall. Leaves 8cm long, 1cm wide. Flowers involucres ca. 1cm, flowering in July to September. Perennial plants. |
| Reference | Achillea alpina L. |
| Achillea alpina Linnaeus | |
| Compositae of Southeast Asia and Himalayas I | |
| Anti-inflammatory and infection protective effects of sesamin-based lignans (US Patent 5762935/1998) | |
| Antimicrobial cosmetic compositions (US Patent 6114377/2000) | |
| Antidiabetic external skin application composition (US Patent 6174543/2001) | |
| Plant enzymes for bioconversion (US Patent 7214507/2007) | |
| Topical treatment for dyshidrosis (pompholyx) and dry skin disorders (US Patent 7357950/2008) |
| July 2008 at Hokkaido University Botanical Garden |