horseweed

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horseweed Definition

• (n) erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States
• (n) common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

horseweed Synonyms

• Canadian fleabane
• Collinsonia canadensis
• Conyza canadensis
• Erigeron canadensis
• fleabane
• horse balm
• horseweed
• richweed
• stone root
• stone-root
• stoneroot