Ambrosia trifida

(redirected from Tall Ambrosia)
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Noun1.Ambrosia trifida - a coarse annual with some leaves deeply and palmately three-cleft or five-cleftAmbrosia trifida - 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