Astragalus crassicarpus Nutt.
A species of rocky clay at intermediate elevations in New Mexico. Outside of the state it is widespread, primarily in the Great Plains. The fruits are strongly inflated, thick-walled, and septate.
Plant habit in the Oscura Mountains, Socorro County, New Mexico, 29 Apr 2010.
Immature fruit in the Oscura Mountains, 29 Apr 2010.
Cross-section of an immature fruit in the Oscura Mountains, 29 Apr 2010.
Flowers in the Oscura Mountains, 29 Apr 2010.
A cauline leaf in the Oscura Mountains, 29 Apr 2010.