Synonyms
Stephanandra gracilis Franch. & Sav.
Physocarpus tanakae (Franch. & Sav.) Kuntze
Neillia nakatsu-riparia (Hid.Takah.) S.H.Oh
Opulaster gracilis (Franch. & Sav.) Kuntze
Stephanandra tanakae Franch. & Sav.
Stephanandra nakatsu-riparia Hid.Takah.
Opulaster tanakae (Franch. & Sav.) Kuntze
Physocarpus gracilis (Franch. & Sav.) Kuntze