hogweed(redirected from cow parsnip)
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Related to cow parsnip: wild parsnip
1. Any of various coarse weedy plants of the genus Heracleum of the parsley family, having divided leaves and small flowers in umbels, and including several species that are phototoxic.
2. Any of various other coarse weeds, such as horseweed or ragweed.
see zaleya galericulata.