Drought resistant, rhizomatous native perennial with pink to rose flowers and yellow centers with pink or red veins, blooming April to August. Grows upright or sprawling, spreading to form large colonies. Some populations bloom nocturnally. Occurs on open plains, grasslands, roadsides and degraded sites; up to 8,000 ft. elevation. Use for restoration, erosion control or showy groundcover. Pollinated by hawkmoths and bees.