Annual. Stems slender, 5-15 cm, pubescent. Leaves 10-20 x 3-10 cm, oblong-ovate, shortly pilose, glaucescent, cuneate, denticulate, margins ciliate; petiole 5-15 mm. Verticillasters 2-8-flowered in axils of upper leaves, pedunclate. Pedicels c. 5 mm. Bracts small, lanceolate. Calyx c. 5 mm, slightly curved, pilose, tubular, somewhat pendent, bilabiate; teeth lanceolate, arislate, ciliate. Corolla white c. 6 mm. Nutlets c. 0.5 mm, oblong-ovoid.