| Family | Aceraceae |
| Scientific name | Acer japonicum Thunberg ex Murray cv. Aconitifolium |
| Synonyms | (Synonyms of Acer japonicum Thunberg ex Murray cv. Aconitifolium) Acer japonicum Thunberg ex Murray var. heihachii Makino; Acer japonicum Thunberg ex Murray var. parsonsii (Veitch & Sons) ex Schwerin (Synonyms of Acer japonicum Thunberg ex Murray) 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) mai-kujyaku [dancing peacock] |
| (English common name) none | |
| 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 Ibaraki Prefecture Botanical Garden |
April 2007 at Ibaraki Prefecture Botanical Garden |
April 2007 at Ibaraki Prefecture Botanical Garden |
| April 2007 at Ibaraki Prefecture Botanical Garden |
| December 2007 at Ibaraki Prefecture Botanical Garden |
December 2007 at Ibaraki Prefecture Botanical Garden |
December 2007 at Ibaraki Prefecture Botanical Garden |