tansy ragwort

American  

noun

1. a European composite plant, Senecio jacobaea, naturalized in North America, having numerous yellow flowers.

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Etymology

Origin of tansy ragwort

First recorded in 1895–1900

Example Sentences

An impenetrable tangle of tansy ragwort, a noxious weed toxic to people and livestock, crowds the fence line.

From Seattle Times

They’ll prioritize toxic weeds like poison hemlock or tansy ragwort, a plant best known for poisoning horses, for removal.

From Seattle Times

Along with members of the Confederated Tribes of the Chehalis Reservation, which owns some adjacent land, Hamman and her colleagues plan to burn some of Noyes’ pastures later this year to help control tansy ragwort.

From Seattle Times