chiefly Old World strong-smelling weedy herbs; comprises plants sometimes included in other genera: e.g. Tanacetum; Tripleurospermum
双语例句
Ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America,sometimes included in genus Matricaria. 普遍的欧洲年生草本植物，有白花和分开的叶子，有时在北美东部种植，有时归入母菊属。
