1. used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum; [syn: Pyrethrum, genus Pyrethrum]
WordNet (r) 3.0 (2006):
genus Pyrethrum
n 1: used in former classifications for plants later placed in
genus Chrysanthemum and now often included in genus
Tanacetum [syn: Pyrethrum, genus Pyrethrum]