Much branched, perennial, subshrubby herbs. Leaves small, sessile, entire. Flowers subsessile, small in bracteate cl usters at branch tips. Sepals obovate, subequal, imbricate. Corolla tube campanulate, the lobes ovate, imbricate, spreading. Stamens and styles exserted, the filaments filiform. Styles 2, distinct to the base, the stigmas large, capitate. Fruit capsular, usually 1-seeded. Seeds glabrous, brown.