Swallowwort meaning
Any of several vines of the genus Cynanchum having clusters of small white or brownish-purple flowers and slender dehiscent pods.
noun
Any of several plants of the milkweed family, as black swallowwort (Cynanchum nigrum), a twining European vine with purplish-brown flowers, now wild in the E U.S.
noun
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The plant Euphorbia maculata.
noun