Sophora stenophylla

Sophora stenophylla, the fringeleaf necklacepod, or silvery sophora, is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.
Description.
Growth pattern.
It is a perennial plant that grows tall. Its lacy leaves and blue to purple flowers make it very distinctive in its communities. It spreads by underground roots.
Leaves and stems.
It has alternate, lacy, compound pinnate leaves with linear leaflets that are covered in dense, soft, and silvery hairs.
Inflorescence and fruit.
It blooms from April to May. The terminal stalks bear 12–39 blue to purple, pea-shaped flowers. Seed pods have short, stiff hairs and 1–5 seeds.
Habitat and range.
It can be found in sandy soils in blackbrush scrub, pinyon-juniper woodland, and ponderosa pine forest communities in southern Utah, Arizona, and New Mexico.
Ecological and human interactions.
Its foliage and seeds are toxic to livestock in large amounts.