| Family | Asteraceae (alt. Compositae) |
| Scientific name | Carpesium divaricatum Siebold & Zuccarini var. matsuei (Tatewaki & Kitamura) Kitamura |
| Synonyms | Carpesium koidzumii Makino var. matsuei (Tatewaki & Kitamura) H. Hara; Carpesium matsuei Tatewaki & Kitamura |
| Common name | (Japanese common name) nopporo gan-kubi sou (ノッポロガンクビソウ, 野幌雁首草 [meaning: Nopporo City tobacco pipe head weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu |
| (Other nations) none | |
| Chromosomal number | 2n=40+3B |
| Description | Plants electing 60-150cm tall. Leaves 7.5-14cm long, 5-11cm wide. Flowers head 6-8mm, flowering in August to October. Perennnial plants. |
| Reference | Carpesium divaricatum var. matsuei Kitam. |
| Thymol derivatives having anti-tumor activity, and anti-cancer agent comprising the same (US Patent 6255517/2001) |
| July 2008 at Sapporo City |
July 2008 at Sapporo City |
July 2008 at Sapporo City |
| July 2008 at Sapporo City |
July 2008 at Sapporo City |