a genus of shrubs that are usually placed with the legumes (family Leguminosae) or sometimes in their own family (Krameriaceae) and include two (K. triandra and K. argentea) with astringent roots formerly used in pharmacy
krameria
noun(kra-me-ria)
the dried roots of either of two plants of the genus Krameria (K. triandra and K. argentea) —called also rhatany