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| July 2008 at Hokkaido University Botanical Garden |
July 2008 at Hokkaido University Botanical Garden |
July 2008 at Hokkaido University Botanical Garden |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Parasenecio hastatus (L.) H. Koyama subsp. orientalis (Kitamura) H. Koyama |
| Synonyms | (Synonyms of Parasenecio hastatus (L.) H. Koyama subsp. orientalis (Kitamura) H. Koyama) Cacalia hastata L. subsp. orientalis Kitamura (Synonyms of Parasenecio hastatus (L.) H. Koyama subsp. hastatus) Cacalia hastata L.; Cacalia hastata L. var. pubescens Ledebour; Hasteola hastata (L.) Pojarkova; Koyamacalia hastata (L.) H. Robinson & Brettell; Senecio sagittatus Schultz-Bipontinus; Senecio sagittatus Schultz-Bipontinus var. pubescens (Ledebour) Maximowicz |
| Common name | (Japanese common name) yobusuma-sou [yobusuma weed (yobusuma = Petaurista leucogenys)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (north of Kanto region) |
| (Other nations) Russia (Far East), Korea, China | |
| Chromosomal number | 2n=60 |
| Description | Plants electing 100-250cm tall. Leaves 25-35cm wide. Flowers yellow corollas 8-9mm, flowering in July to October. Perennial plants. |
| Reference | Parasenecio hastatus (L.) H. Koyama |
| Note | Some foreign authors might regard Parasenecio hastatus subsp. orientalis as a synonym of Parasenecio hastatus subsp. hastatus. |
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| July 2008 at Hokkaido University Botanical Garden |
July 2008 at Hokkaido University Botanical Garden |
July 2008 at Hokkaido University Botanical Garden |
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| July 2008 at Sapporo City |
July 2008 at Hokkaido University Botanical Garden |
July 2008 at Hokkaido University Botanical Garden |
