Annuals, 3-40 cm tall, pubescent with long stalked capitate glandular hairs. Stems erect, usually slender, simple, rarely apically branched, hirsute with both long capitate glandular and eglandular hairs. Leaves sessile, ovate to orbicular, base cuneate to rounded, margin with 2 to several obtuse to acuminate teeth on each side. Spikes with several to numerous flowers; bracts leaflike, conspicuously larger than leaves. Calyx 3-4 mm; lobes lanceolate to subulate. Corolla white or galea pale purple, upper side 4-8 mm. Capsule oblong, 4-6 mm, emarginate. Fl. Jun-Aug.