1. genus of tall leafy perennial herbs of eastern America and eastern Asia having flowers that resemble asters; [syn: Boltonia, genus Boltonia]
WordNet (r) 3.0 (2006):
Boltonia
n 1: genus of tall leafy perennial herbs of eastern America and
eastern Asia having flowers that resemble asters [syn:
Boltonia, genus Boltonia]