Callirhoe triangulata (Leavenworth) A. Gray

Callirhoe triangulata (Leavenworth) A. Gray. Callirhoe triangulata, the clustered poppymallow, is a species of flowering plant in the family Malvaceae. Disjunctly distributed, it is found in the upper Midwest, particularly the Illinois, Kankakee, Mississippi, Wabash, and Wisconsin river valleys, and in scattered locales in the Atlantic Plain of the southeastern United States. A perennial reaching 60 cm (2 ft), it prefers sandy soils.