Erect shrubby herb. Stems glabrous or with simple hairs. Leaves with palmate venation. Bracteoles connate, glabrous or with simple hairs. Calyx a shallowly lobed rim with broadly triangular lobes. Corolla with scattered capitate glands; tube short, cylindric; throat long, campanulate. Stamens didynamous; anthers oblong, one theca distinctly longer than the other, apiculate at apex, all thecae at base with 1–2 straight sometimes bifurcate bristles otherwise glabrous. Stigma included, with erect curved lobes forming a funnel. Capsule triangular, narrowing gradually into the beak, minutely puberulous. Seed tuberculate.