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1. perennial_ragweed
noun. coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico.
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2. perennial
adjective. ['pɝˈɛniːəl'] lasting an indefinitely long time; suggesting self-renewal.
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5. ragweed
noun. ['ˈræˌgwiːd'] any 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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Etymology
- ragweed (English)
- rag (English)
- rǫgg (Old Norse)
- weed (English)
- weod (Old English (ca. 450-1100))