Small, ± succulent, annual herb 2-10 cm tall, simple or branched from base, sometimes minute and flowering when < 1 cm tall; branches ascending, bifariously white-hairy, occasionally with short glandular hairs towards tips. Lvs sessile, ± 4-9 × 2-6 mm, ovate to suborbicular or flabellate, with 2-5 pairs of narrow acute teeth; upper surface with short, flattened, simple hairs, sometimes with short glandular hairs, occasionally nearly glabrous; lower surface glabrous or sparsely hairy. Fls subsessile or on pedicels to 4 mm long. Calyx (4)-5-(6) mm long, with hairs as on lvs, divided ⅓-c. 1/2 way. Corolla white, with throat yellow or yellow-spotted, 6-10-(12) mm long. Anthers yellow to golden brown; margins glabrous or nearly so; awns slender, ± equal. Capsule < or ± = calyx, 4-8 × 3-5 mm.