Clappia suaedifolia is the sole species in the North American genus of flowering plants in the daisy family, Clappia. Clappia suaedifolia is native to Texas and Tamaulipas. It is a succulent, branching shrub or subshrub up to 30 cm (12 inches) tall. Flower heads are yellow, appearing one at a time, with both ray florets and disc florets. The genus is named for Dr. Asahel Clapp, of New Albany, Indiana.