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| April 2006 at Tsukuba Botanic Garden |
April 2006 at Tsukuba Botanic Garden |
April 2006 at Tsukuba Botanic Garden |
| Family | Ranunculaceae |
| Scientific name | Caltha palustris L. |
| Synonyms | Caltha minor Miller; Caltha palustris L. subsp. arctica (R. Brown) Hultén; Caltha palustris L. subsp. minor (Miller) de Candolle; Caltha palustris L. var. enkoso H. Hara, Caltha palustris L. var. nipponica H. Hara; Caltha palustris L. var. procumbens Beck; Caltha palustris L. var. radicans (J. R. Forster) Beck; Caltha polypetala Hochstetter ex Lorent; Caltha radicans J. R. Forster |
| Common name | (Japanese common name) enkou-sou (エンコウソウ, 猿猴草 [meaning: long-armed ape weed]) |
| (English common name) cowflock, cowslip, kingcup, marsh marigold, meadow bright | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Mongolia, Korea, China, Bhutan, India, Nepal, European nations, Canada, United States | |
| Chromosomal number | 2n=16, 32, 55--57, 60, 64, 80 |
| Description | Flowers yellow, flowering in April to June. Perennial plants. |
| Reference | Caltha palustris L. |
| Caltha palustris L. | |
| Caltha palustris Linnaeus |
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| April 2006 at Tsukuba Botanic Garden |
April 2006 at Tsukuba Botanic Garden |
April 2006 at Tsukuba Botanic Garden |
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| April 2006 at Tsukuba Botanic Garden |
April 2006 at Tsukuba Botanic Garden |
April 2006 at Tsukuba Botanic Garden |
