A wild plant of the parsley family, native to central and western North America, that has an edible root. It has clusters of small white flowers somewhat resembling Queen Anne's lace.
Perideridia gairdneri, family Umbelliferae‘Some tubers of the western USA which were important to the Indians and bore this name were also called yampa, Indian potato, wild caraway, and ipo.’
- ‘The yampas, glacier lilies, biscuit roots, and thistles are among her favorite flower roots.’
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