great ragweed


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Related to great ragweed: Giant Ragweed
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Great ragweed - a coarse annual with some leaves deeply and palmately three-cleft or five-cleftgreat ragweed - a coarse annual with some leaves deeply and palmately three-cleft or five-cleft
ambrosia, bitterweed, ragweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
References in periodicals archive ?
Tall coneflowers, Joe Pye weed, biennial gaura, white snakeroot, jumpseed and common and great ragweed mark the approach of August.