It is native to the west coast of North America from Washington to north-western Mexico,[1] including California and Baja California, where it is found in many mountainous areas in the chaparral and coniferous forests.

Acmispon grandiflorus is a perennial herb taking an erect to decumbent form.

It is lined with leaves each made up of oval leaflets 1 to 2 centimeters long and hairy to hairless in texture.

The inflorescence is made up 3 to 9 pealike flowers which may approach three centimeters long.

The flower varies in color from whitish to yellow to pink.