breadroot

bread·root  (brdrt, -rt)

n.

A perennial herb (Psoralea esculenta) in the pea family, native to prairies and plains in central North America, and having a tuberous, starchy root that was an important food for many Native Americans. Also called prairie potato.

Thesaurus

Noun

1.

breadroot - densely hairy perennial of central North America having edible tuberous roots Indian breadroot, pomme blanche, pomme de prairie, Psoralea esculenta herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests genus Psoralea, Psoralea - widely distributed genus of herbs or shrubs with glandular compound leaves and spicate or racemose purple or white flowers