Hoita orbicularis is a species of legume known by the common name roundleaf leatherroot. It is endemic to California, where it is relatively widespread throughout the state's mountain ranges, growing most often in moist habitat. It is a perennial herb growing prostrate or nearly so at ground level with large leaves each made up of three round leaflets up to 11 centimeters long each. The herbage is hairy and often hairy. The flower cluster is an erect raceme which may be up to 35 centimeters long. Each of the many flowers is one or two centimeters long, pealike, and generally a shade of light to medium purple in color. The fruit is a hairy, veiny legume pod just under a centimeter long.