amphicarpa : Idioms & Phrases
amphicarpa bracteata
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noun vine widely distributed in eastern North America producing racemes of purple to maroon flowers and abundant (usually subterranean) edible one-seeded pods resembling peanuts
Amphicarpaea bracteata; hog peanut; wild peanut.
WordNet
genus amphicarpa
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noun very small genus of twining vines of North America and Asia: hog peanut
Amphicarpaea; genus Amphicarpaea; Amphicarpa.