1. cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally; [syn: Erigeron, genus Erigeron]
WordNet (r) 3.0 (2006):
genus Erigeron
n 1: cosmopolitan genus of usually perennial herbs with flowers
that resemble asters; leaves occasionally (especially
formerly) used medicinally [syn: Erigeron, genus
Erigeron]