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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 | Rosaceae |
| Subfamily | Rosoideae |
| Tribe | Sanguisorbeae |
| Subtribe | Sanguisorbinae |
| Scientific name | Sanguisorba japonensis (Makino) Kudô ex S. Watanabe |
| Synonyms | Sanguisorba L. canadensis var. japonensis Makino; Sanguisorba hakusanensis Makino var. japonensis (Makino) Ohwi |
| Common name | (Japanese common name) ezo tou-uchi-sou (エゾトウウチソウ, 蝦夷唐打草 [Ezo tou-uchi weed (Ezo = an old name of Hokkaido, tou-uchi = Chinese beautiful string)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (Hidaka Mountains) |
| (Other nations) none | |
| Habitat | Mountane rocks near stream, wet field |
| Chromosomal number | 2n=28 |
| Description | Plants electing 50-120cm tall. Leaves 4-6 pairs leaflets. Flowers pink or purple inflorescences 7-20cm long, flowering in June to August. Perennial plants. |
| Reference | Trends in site-number change of rDNA loci during polyploid evolution in Sanguisorba (Rosaceae) |
| Note | Rare species. |
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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 Hokkaido University Botanical Garden |
