Descurainia pinnata

A common spring-blooming mustard of the low desert. My pictures are from Indiana.

Flowers at Navajo Lake, Rio Arriba County, New Mexico, 4/30/06.

Fruits at Navajo Lake, 4/30/06.

An inflorescence at the Botany Experimental Field in Bloomington, IN, 5/6/04.

Flowers at the Botany Experimental Field in Bloomington, IN, 5/6/04.

A leaf at the Botany Experimental Field in Bloomington, IN, 5/6/04.