on old roadside pullout of volcanic tuffaceous fill above Rio Papigochic tributary with Desmodium batocaulon, Dalea leporina, Acmispon plebieus & Macroptilium.
Part of the Silversword Alliance and endemic to southern portion of Big Island - Kilauea, Mauna Loa. Elevation around 4070 ft. on west rim near Jagger Museum.