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| September 2008 at Hokkaido University Botanical Garden |
September 2008 at Hokkaido University Botanical Garden |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Chrysanthemum weyrichii (Maximovicz) Miyabe & T. Miyake |
| Synonyms | Chrysanthemum littorale F. Maekawa; Chrysanthemum weyrichii (Maximovicz) Miyabe & T. Miyake var. littorale (F. Maekawa) Kudö; Dendranthema weyrichii (Maximovicz) Tzvelev; Leucanthemum weyrichii Maximovicz |
| Common name | (Japanese common name) pireo-giku (ピレオギク, ピレオ菊 [meaning: Polo-Kotan aster (Pireo = modern Japanese pronunciation of Ainu People's term 'Polo-Kotan'. Polo-Kotan was a local area in Sakhalin.)]), ezo-sonare-giku (エゾソナレギク, 蝦夷磯慣菊 [meaning: Ezo coastal aster (Ezo = an old name of Hokkaido)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido |
| (Other nations) Russia (Far East) | |
| Habitat | Seaside rocks |
| Chromosomal number | 2n=71 |
| Description | Plants 10-60cm tall. Leaves ca. 1-4cm long, ca. 1-4cm wide. Flowers white or pink ca. 3-6cm across, flowering in July to October. Perennial plants. |
| Reference | Chrysanthemum weyrichii (Maxim.) Miyabe |
| Species of wild chrysanthemums in Japan : Cytological and Cytogenetical view on its entity | |
| Note | Some Japanese authors have described that Chrysanthemum weyrichii (Maximovicz) Miyabe & T. Miyake is a synonym of Chrysanthemum zawadskii Herbich (2n=54, Syn. Dendranthema zawadskii (Herbich) Tzvelev). |
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| September 2008 at Hokkaido University Botanical Garden |
September 2008 at Hokkaido University Botanical Garden |
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| March 2010 at Tsukuba Botanical Garden |
March 2010 at Tsukuba Botanical Garden |
