Perennial, glandular-viscid, sand adhering herb. Internodes 1-3 cm long, terete, striate. Stipular spines usually shorter or sometimes equal to or slightly longer than petiole, 2-4 mm long. Leaves petiolate, usually 3-foliolate, central leaflet double the size of the laterals, 5-8 x 2-4 mm, obovate, ovate-rhomboid, mucronate. Flowers short-pedicellate, about 8 mm across, deep rosy-lilac. Sepals ovate-oblong, persistent. Petals obovate. Filaments 4-6 mm long. Capsule 4-5 x 3-4 mm, longer than the reflexed pedicel.