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May 31, 2010
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Southeastern, New Hampshire
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Groundnut is a vine that can grow up to 10 feet long and cover the ground
of moist thickets (dense growths of plants). The vines do not climb, but grow
along the ground or twine around other plants on the ground. The leaves are
pinnately compound -- having 3 to 9 slightly ovate to lanceolate leaflets
that are 1 to 3-1/2 inches long. Groundnut flowers in July to September with
dull redish-purple flowers (not shown). In the late Summer to Fall, Groundnut
sometimes produces aerial seedpods that have edible seeds. But the primary
edible part of Groundnut is its string of tubers underground that provide a
good source of starch. The tubers can be harvested whenever the ground is not
frozen.
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