Low to short, generally sprawling, hairy plant. Stems branched. Leaves short stalked, oval-triangular and coarsely toothed, alternate except for the lowermost. Flowers bright blue, 8 to 12 mm the lowermost petal often white. Solitary on slender stalks at the base of the upper leaves. Capsule 2 lobed, borne on recurved stalk the lobes diverging.