Senna corymbosa (Lam.)H.S.Irwin&Barneby Caesalpinaceae. Argentine Senna. Distribution: Argentine (other species from Europe). This beautiful shrub that flowers from midsummer until the frosts of winter, is the source of one of the best
Should you drink senna tea? Uses and warnings
Senna ( Medicinal plants)
Incredible Benefits and Uses Of Senna Plant - YouTube
wild senna Senna hebecarpa from New England Wild Flower Society