horseweed

• n.
  • erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States

    同义词： horse balm stoneroot stone-root richweed stone root Collinsonia canadensis

  • common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

    同义词： Canadian fleabane fleabane Conyza canadensis Erigeron canadensis

以上来源于: WordNet