any of various plants of the genus Lesquerella, of the mustard family, having rosettes of simple, hairy leaves, small yellow flowers, and inflated pods, and yielding a seed oil similar to castor oil.
Also called bladderpod. a tall plant, Glottidium vesicaria, of the legume family, native to the southeastern U.S., having clusters of yellow flowers and pods containing highly poisonous seeds.
