Tufted, herb. Leaves in basal rosette, unlobed, ovate to oblong, toothed. Flowers solitary in leaf axils. Epicalyx absent. Pedicels not articulated. Calyx inflated in flower, to 17 mm, burnt orange or red, with costae. Corolla yellowish. Staminal tube included, antheriferous at apex. Styles 12, stigmas capitate. Fruits schizocarpic. Mericarps 12, with dorsal spines, loculicidally dehiscent, 2-celled, upper cell empty, lower cell 1-seeded. Endoglossum present.