Perennial herb, sometimes arising from woody stock; stems ± woody at base, often prostrate; branches erect, 3-10 cm tall, ± evenly hairy. Lvs sessile, 3-5-(10) × 3-6 mm, obovate to obovate-cuneate or suborbicular, subequally 3-lobed at tip or with 3-5 crenate teeth, glabrous. Fls on short pedicels. Calyx 6-9 mm long, glabrous or nearly so, unevenly divided 1/4-1/2 way. Corolla white, to 20 mm long. Anthers reddish brown, margins hairy; awns usually unequal. Capsule < or = calyx, 5-6 × 3-4 mm.