any of several poisonous plants of the parsley family, as Oxypolis rigidior, of swampy areas of North America, or the water hemlock, Cicuta maculata.
Origin of cowbane
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Examples from the Web for cowbane
Cicuta, si-kū′ta, n. a genus of umbelliferous plants with poisonous roots—water-hemlock or cowbane.
Also called: water hemlock any of several N temperate poisonous umbelliferous marsh plants of the genus Cicuta, esp C. virosa, having clusters of small white flowers
a similar and related plant, Oxypolis rigidior of the southeastern and central US
any umbelliferous plant reputed to be poisonous to cattle
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