matricaria

noun
mat·​ri·​car·​ia | \ ˌma-trə-ˈkar-ē-ə How to pronounce matricaria (audio) \

Medical Definition of matricaria

1 capitalized : a genus of chiefly Old World aromatic herbs (family Compositae) that have heads with white ray flowers and yellow disk flowers and include one (M. recutita) that is a source of chamomile
2 plural matricaria or matricarias : any plant of the genus Matricaria