マメ科フジ属の落葉蔓性木本で、学名は Wisteria floribunda。英名は Japanese wisteria。
The Japanese wisteria (Wisteria floribunda) belongs to Fabaceae (the Peafamily). It is a deciduous woody vine that is native to Honshu, Shikoku and Kyushu of Japan. This vine grows in hillsides to mountains and climbs up adjacent trees. It is right hand wind. The leaves are odd-pinnate compound with 11-19 of oblong or narrow-ovate leaflets. The long drooping racemes are borne and bloom violet papilionacenous flowers from April to May. It is defined by bursting out from top down of clusters. It is also called "Noda-fuji" in Japan, which is a reference to the village of Noda (Fukushima-ku, Osaka City), which was once famous for its wisteria.