Culver’s root

What is Culver’s root?

Culver’s root definition and meaning on Dictionary terms:
noun
the root of a tall plant, Veronicastrum virginicum, of the figwort family, having spikelike clusters of small, white, tubular flowers, used in medicine as a cathartic and emetic.
the plant.

 

reference: https://www.dictionary.com/browse/culver-s-root

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