Quincula is a monotypic genus of flowering plants in the nightshade family, Solanaceae. The sole species it contains, Quincula lobata, is commonly known as Chinese lantern, lobed groundcherry, or purple groundcherry. This plant is sometimes included in genus Physalis. It is native to the southwestern United States as far east as Kansas and Oklahoma, as well as northern Mexico, where it grows in many types of open, dry habitat, including disturbed areas.