Acmispon decumbens is a species of flowering plant in the family Fabaceae, native to the western United States (Nevada, California) and north-western Mexico (Baja California).

[2] It grows in several types of habitat, including mountain forest and meadows.

It is a spreading or mat-forming perennial herb coated in long hairs.

It is lined with leaves each made up of small green oval leaflets.

The inflorescence bears up 12 pinkish yellow pealike flowers each a centimeter long or more.