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| March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
| Family | Betulaceae |
| Scientific name | Alnus firma Siebold & Zuccarini |
| Synonyms | Alnaster firmus (Siebold & Zuccarini) Czerepanov; Alnus firma Siebold & Zuccarini var. hirtella Franchet & Savatier; Alnus yasha (Matsumura) Winkler |
| Common name | (Japanese common name) yasha-bushi [yasha fushi (yasha = Japanese pronunciation of yakkha, fushi = a traditional Chinese medicine which involves tannin)] |
| (English common name) none | |
| Distribution | (Japan) Honshu (Pacific Sea side), Shikoku, Kyushu |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 20m. Leaves 4-10cm length. Flowers flowering in March. Deciduous. Arbor or subarbor trees. |
| Reference | Alnus firma Siebold & Zucc. |
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| March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
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| March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
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| March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
March 2007 at Ushiku Forest Park |
