Fringeleaf Necklacepod (Sophora stenophylla) sends out underground roots and colonizes large areas, so although it is not a common plant, it is easy to spot when it is around. Tall stalks of handsome blue/purple flowers surmount 4-16 inch tall cushions of silvery-green, finely cut leaves. It is found in semi-desert areas, shrublands and sand. Blooms occur in spring and summer.