A native evergreen shrub growing an average of 3 to 7 feet. The leaves are green and hairless with depressed glands on inrolled leaf edges. Flowers are tubular with 5 white petals. It has deeply roots with a taproot sometimes exceeding 16 feet making it very drought tolerant. Occurs in valleys, foothills, and slopes in well drained soils. Palatable and good quality forage for livestock and wildlife. Established in the southern desert regions of Colorado, Utah, and Nevada to Mexico.