Lesquerella fendleri
(Fendler Bladderpod)
Brassicaceae (Mustard)
Lesquerella fendleri has round, glabrous (smooth and hairless) fruit which are held upright and have the stigma attached. Flowers are about 1/2-inch in diameter. Mature plants form a compact mound with a dense covering of bright yellow flowers.  Lesquerella fendleri blooms in spring on the plains of southeastern Colorado and the southwest corner of the state.

Compare to
Lesquerella ludoviciana, which has a looser structure, smaller blooms and pubescent fruits.

Compare to Physaria sp., which have double seed pods.

Vegetation zone:  Plains
Time of bloom:  April - June
Origin:  Native
Eastern Colorado Wildflowers