Indigofera suffruticosa

Indigofera suffruticosa, commonly known as Guatemalan indigo, small-leaved indigo (Sierra Leone), West Indian indigo, wild indigo, and anil, is a flowering plant in the pea family, Fabaceae. In Hawaiian, it is known as either ʻinikō/inikoa, or kolū; in Fijian it is called vaivai, the Samoans call it laʻau mageso, on Guam it is called aniles, and in Tonga it is referred to as ʻakauveli (itchy plant).