Vin·​ce·​tox·​i·​cum | \ˌvin(t)səˈtäksə̇kəm\

Definition of Vincetoxicum 

: a large genus of chiefly tropical American vines (family Asclepiadaceae) having cordate leaves and large purple or greenish cymose flowers with the corolla rotate and 5-parted and an entire or lobed crown

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History and Etymology for Vincetoxicum

New Latin, from Latin vincere to conquer + toxicum poison; from the former belief that it was a counterpoison

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to make faulty or ineffective

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