HyperDic: western_ragweed

English > 1 sense of the expression western ragweed:
NOUNplantwestern ragweed, perennial ragweed, Ambrosia psilostachyacoarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico
English > western ragweed: 1 sense > noun 1, plant
Meaningcoarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico.
Synonymsperennial ragweed, Ambrosia psilostachya
Broaderragweed, ambrosia, bitterweedAny of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

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