krameria

noun

kra·​me·​ria krə-ˈmir-ē-ə 

1

capitalized : a genus of shrubs (family Krameriaceae) that includes two (K. lappacea and K. argentea) with astringent roots formerly used in pharmacy

2

: the dried roots of either of two plants of the genus Krameria (K. lappacea and K. argentea)

called also rhatany