Annual, glandular-villous herbs, usually about 7-30 cm tall. Leaves sessile or the lower tapering to a petiole, glandular-villous, linear to narrowly elliptic, rather fleshy, obtuse. Flowers solitary-terminal or in dichasial cymes, pedicellate, deflexed at maturity. Calyx 10-veined, glandular-villous, tubular-clavate in flower, urceolately expended above in fruit, up to 15 mm long. Petals white to pinkish, the limb 5-10 mm, bilobed to the middle into narrow or broadly spathulate lobes. Capsule 10-11 mm long. Anthophore 5-11 mm long. Seeds shallowly broadly grooved on the back, minutely reticulately striate, the edges rounded, the faces rather biconvex.