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| February 2007 at Tsukuba Botanical Garden |
February 2008 at Tsukuba Botanical Garden |
| Family | Ranunculaceae |
| Subamily | Ranunculoideae |
| Tribe | Actaeeae |
| Scientific name | Shibateranthis pinnatifida (Maximovicz) Satake et Okuyama |
| Synonyms | Eranthis byunsanensis B.Y.Sun; Eranthis pinnatifida Maximovicz; Shibateranthis keiskei (Franchet & Savatier) Nakai |
| Common name | (Japanese common name) setsubun-sou (セツブンソウ, 節分草 [meaning: setsubun weed (Setsubun = the day before the calendrical beginning of spring)]) |
| (English common name) winterstern | |
| Distribution | (Japan) Honshu (west of Kanto region) |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Scapes 5-15cm tall. Flowers white ca. 2cm across, flowering in Feburuary to March. Perennial plants. |
| Reference | Eranthis pinnatifida Maxim. |
| Note | Native to Japan |
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| February 2007 at Tsukuba Botanical Garden |
February 2008 at Tsukuba Botanical Garden |
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| March 2008 at Kyoto Botanical Garden |
March 2008 at Kyoto Botanical Garden |
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| March 2008 at Hiroshima Botanical Garden |
March 2008 at Hiroshima Botanical Garden |
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| March 2006 at mountane forest |
March 2006 at mountane forest |
March 2006 at mountane forest |
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| April 2009 at Tsukuba Botanical Garden |
April 2009 at Tsukuba Botanical Garden |
April 2009 at Tsukuba Botanical Garden |
