matricaria

noun

mat·​ri·​car·​ia ˌma-trə-ˈkar-ē-ə 

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