American Hog Peanut

I initially thought a vine in my backyard was Galactia volubilis, but after further research, I now suspect it is actually American Hogpe...Read Moreanut (Amphicarpaea bracteata).

Since I've learned about this species, I've gotten the impression that it is less common in its northern range.

This plant is very attractive to wildlife. It is found throughout the eastern half of North America, from Florida up into Canada.
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The genus name references the fruit of this plant. 'amphi' means 'of both kinds' and 'carpos' means 'fruit'.

This is describing the fact that threre are two different flowers...one is held above the leaves in a typical vine-like manner. The other flower is low on the plant and produces the 'peanut' below the ground. The upper seeds are inedible to humans, birds feed on them though. Wild hogs and pioneers enjoyed the underground fruits.

American Hogpeanut, Amphicarpaea bracteata, is native to Texas and other States.