Leaves: Compound (odd-1-pinnate), gray-green. Leaflets 3–25 mm, long and narrow.
Flowers: Typical pea-family type flower. Violet-blue flowers
arranged in clusters (raceme) about 5 inches long. Intense color. Petal lobes unequal, upper pair largest.
Seeds: Fruit is a bean pod with a sharp point and small, red glands. One bean per pod.
Habitat: Dry, well-drained sandy, gravelly, and rocky soils in
washes, bajadas, and moderate slopes in the lower mountains. Seems to
do well with a thin layer of soil overlying caliche.