Datura is a genus of about 10 species of flowering plants. The flowers are usually white, but sometimes yellow, pinkish and purple. They first grow upright, and later incline downwards, emitting an intense fragrance which is strongly attractive to insects such as moths. The calyx is long and tubular, swollen at the bottom, and sharply angled, surmounted by five sharp teeth. It Blooms in Spring, Autumn, Summer