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| April 2007 at Ibaraki Prefecture Botanical Garden |
April 2007 at Ibaraki Prefecture Botanical Garden |
April 2007 at Ibaraki Prefecture Botanical Garden |
| Family | Aceraceae |
| Scientific name | Acer palmatum Thunberg |
| Synonyms | Acer eupalmatum (Schwerin) Koidzumi; Acer formosum Carrière; Acer palmatum Thunberg forma genuina Miquel; Acer palmatum Thunberg forma roseo-marginatum (C. Koch) Schwerin; Acer palmatum Thunberg subsp. genuinum (Siebold & Zuccarini) Koidzumi; Acer palmatum Thunberg subsp. palmatum (Thunberg) H. Hara; Acer palmatum Thunberg var. palmatum (K. Koch) Rehder; Acer polymorphum Siebold & Zuccarini; Acer sanguineum Carrière |
| Common name | (Japanese common name) iroha-momiji, iroha-kaede |
| (English common name) Japanese maple | |
| Distribution | (Japan) Honshu (west of Fukushima Prefecture), Shikoku, Kyushu |
| (Other nations) Korea, China, Taiwan | |
| Chromosomal number | 2n=13 |
| Description | Plants 10-30m tall. Leaves 4-7cm. Flowers red 4-6mm, flowering in April to May, fruits 1.5cm. Deciduous. Arbor trees. |
| Reference | Acer palmatum Thunb. |
| Method for manufacturing a tonic composition for man and other animals (US Patent 4059695/1977) | |
| Fluttering kite (US Patent 4530477/1985) | |
| Rooting method for vegetative plant propagation of hard-to-root plants (US Patent 5584140/1996) | |
| Cross-grained veneer and manufacturing method of the same (US Patent 6298888/2001) | |
| Water purificant methods (US Patent 6478985/2002) |
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| April 2007 at Ibaraki Prefecture Botanical Garden |
April 2007 at Ibaraki Prefecture Botanical Garden |
April 2007 at Ibaraki Prefecture Botanical Garden |
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| April 2007 at Ibaraki Prefecture Botanical Garden |
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| December 2007 at Tsukuba Botanical Garden |
December 2007 at Tsukuba Botanical Garden |
December 2007 at Koishikawa Botanical Garden |
