| Family | Aceraceae |
| Scientific name | Acer japonicum Thunberg ex Murray |
| Synonyms | Acer circumlobatum Maximowicz; Acer japonicum Thunberg ex Murray forma macrophyllum Schwerin; Acer japonicum Thunberg ex Murray forma villosum (Koidzumi) H. Hara; Acer japonicum Thunberg ex Murray var. circumlobatum (Maximovicz) Koidzumi; Acer japonicum Thunberg ex Murray var. insulare (Pax) Ohwi; Acer japonicum Thunberg ex Murray var. kobakoense (Nakai) H. Hara; Acer japonicum Thunberg ex Murray var. macrophyllum (Koidzumi) Honda; Acer japonicum Thunberg ex Murray var. villosum Koidzumi; Acer monocarpon Nakai; Acer kobakoense Nakai |
| Common name | (Japanese common name) ha-uchiwa kaede [round fan leaves maple], meigetsu kaede [full moon maple] |
| (English common name) Japanese maple, full moon maple | |
| Distribution | (Japan) Hokkaido, Honshu |
| (Other nations) none | |
| Chromosomal number | 2n=12 |
| Description | Plants 5-10m tall. Leaves 7-12cm. Flowers red, flowering in April to May, fruits ca. 2cm. Deciduous. Arbor trees. |
| Reference | Acer japonicum Thunb. |
| April 2007 at Tsukuba Botanical Garden |
April 2007 at Tsukuba Botanical Garden |
April 2007 at Tsukuba Botanical Garden |
| April 2007 at Tsukuba Botanical Garden |
April 2007 at Tsukuba Botanical Garden |
| November 2007 at Tsukuba Botanical Garden |
November 2007 at Koishikawa Botanical Garden |