| Family | Asteraceae (alt. Compositae) |
| Scientific name | Achillea ptarmicoides Maximovicz |
| Synonyms | Achillea alpina L. subsp. camtschatica (Heimerl) Kitamura; Achillea alpina L. var. camtschatica (Heimerl) Kitamura; Achillea alpina L. var. discoidea (Regel) Kitamura; Achillea camtschatica (Heimerl) Botschantzev; Achillea sibirica Ledebour subsp. camtschatica Heimerl; Achillea sibirica Ledebour subsp. ptarmicoides (Maximovicz) Heimerl; Achillea sibirica Ledebour var. camtschatica (Heimerl) Ohwi; Achillea sibirica Ledebour var. discoidea Regel; Achillea sibirica Ledebour var. ptarmicoides (Maximovicz) Makino; Achillea speciosa de Candolle; Ptarmica camtschatica (Heimerl) Komarov; Ptarmica ptarmicoides (Maximovicz) Voroshilov |
| Common name | (Japanese common name) yama-nokogiri-sou (ヤマノコギリソウ, 山鋸草 [meaning: mountain saw weed]), shumushu-nokigiri-sou (シュムシュノコギリソウ, 占守鋸草 [meaning: Shumshu Island saw weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (north of Central region) |
| (Other nations) Russia (Far East), Korea, China, Vietnam | |
| Habitat | Subalpine or mountane fields |
| Chromosomal number | 2n=36 |
| Description | Plants electing 50-100cm tall. Leaves 8cm long, 1cm wide. Flowers involucres ca. 1cm, flowering in August to October. Perennial plants. |
| Reference | Achillea ptarmicoides Maxim. |
| 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) |
| August 2006 at high marsh |
August 2006 at high marsh |
August 2006 at high marsh |