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| April 2007 at Akagi Natural Park |
April 2007 at Akagi Natural Park |
| Family | Berberidaceae |
| Subfamily | Berberidoideae |
| Tribe | Berberideae |
| Subtribe | Epimediinae |
| Scientific name | Diphylleia grayi F. Schmidt |
| Synonyms | Diphylleia cymosa Michaux subsp. grayi (Maximovicz) Kitamra; Diphylleia cymosa Michaux subsp. grayi (Maximovicz) Kitamura var. incisa (Takeda) T. Shimizu; Diphylleia cymosa Michaux var. incisa (Takeda ex Takeda & Tanabe) T. Shimizu; Diphylleia cymosa Michaux ver. grayi Maximovicz; Diphylleia grayi F. Schmidt var. incisa Takeda |
| Common name | (Japanese common name) san-kayou (サンカヨウ, 山荷葉 [meaning: mountain lotus leave]) |
| (English common name) umbrella leaf | |
| Distribution | (Japan) Hokkaido, Honshu (except of Yamaguchi Prefecture) |
| (Other nations) Russia (Sakhalin) | |
| Habitat | Subalpine or mountane forest |
| Chromosomal number | 2n=12 |
| Description | Plants 30-50cm tall. Leaves ca. 30cm long, ca. 20-35cm wide. Flowers white ca. 2cm across, flowering in April to July. Fruits blue ca. 1.5cm across. Perennial plants. |
| Reference | Diphylleia grayi F.Schmidt |
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| April 2007 at Akagi Natural Park |
April 2007 at Akagi Natural Park |
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| April 2007 at Yukiguni Botanical Garden |
April 2007 at Yukiguni Botanical Garden |
April 2007 at Yukiguni Botanical Garden |
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| July 2008 at Alpine Bitanical Garden in Yuzawa Highland |
July 2008 at Alpine Bitanical Garden in Yuzawa Highland |
