noun
Millettia japonica; summer wisteria
A species of flowering plant in the legume family, native to Japan. The name literally means 'summer wisteria' due to its resemblance to wisteria and its summer blooming period.
夏藤は夏に紫色の花を咲かせる。
Millettia japonica produces purple flowers in the summer.
藤 (wisteria) is a different genus (Wisteria) that blooms in spring, while 夏藤 (Millettia japonica) blooms in summer and is a separate species.
Compound of 夏 (natsu, 'summer') and 藤 (fuji, 'wisteria'), referring to its summer blooming and wisteria-like appearance.