(n)cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally, Syn.genus Erigeron
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. a cosmopolitan genus of usually perennial herbs with asterlike flowers; the leaves were formerly used medicinally, but now are only occasionally so used. Syn. -- genus Erigeron. [ WordNet 1.5 ]