noun
widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
• Syn: ↑ragwort, ↑ragweed, ↑benweed, ↑Senecio jacobaea
• Hypernyms: ↑weed
• Member Holonyms: ↑Senecio, ↑genus Senecio
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noun : a common ragwort (Senecio jacobaea) with pinnatifid leaves and compact clusters of yellow flower heads that is native to Europe, No. Africa, and western Asia but has been introduced in No. America, New Zealand, and Australia and in some areas is a dangerous and aggressive weed and toxic to cattle when consumed in quantity
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a European composite plant, Senecio jacobaea, naturalized in North America, having numerous yellow flowers.
[1895-1900]
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tansy ragwort,
a toxic weed of the composite family native to Europe and naturalized in North America, poisonous to cattle; felonweed.
Useful english dictionary. 2012.