| Family | Lardizabalaceae |
| Scientific name | Akebia trifoliata (Thunberg) Koidzumi |
| Synonyms | Akebia clematifolia Siebold & Zuccarini; Akebia lobata Decaisne; Akebia lobata Decaisne var. clematifolia (Siebold & Zuccarini) Ito; Akebia quercifolia Siebold & Zuccarini; Akebia sempervirens Nakai; Akebia trifoliata (Thunberg) Koidzumi var. clematifolia (Siebold & Zuccarini) Nakai; Akebia trifoliata (Thunberg) Koidzumi var. honanensis T. Shimizu; Clematis trifoliata Thunberg |
| Common name | (Japanese common name) mitsuba-akebi [three leaves akebi (akebi = Akebia quinata (Houttuyn) Decaisne)] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu, Okinawa |
| (Other nations) China | |
| Chromosomal number | unknown |
| Description | Leaves 3 leaflets each 4-6cm length. Flowers dark purple, flowering in April to May. Deciduous. Vine. |
| Reference | Akebia trifoliata (Thunb.) Koidz. |
| Akebia trifoliata (Thunberg) Koidzumi | |
| Pharmaceutical compositions for the treatment of skin disorders (US Patent 5466452/1995) | |
| Inhibition of abnormal accumulation of extra-cellular matrices (US Patent 6068845/2000) | |
| Herbal compositions for prostate conditions (US Patent 6790464/2004) |
| April 2007 at lowland forest edge |
April 2007 at lowland forest edge |
April 2007 at lowland forest edge |
| April 2007 at lowland forest edge |
April 2007 at lowland forest edge |
| April 2007 at lowland forest edge |
| October 2007 at Ushiku Forest Park |