Armed shrubs; spines supra-axillary. Leaves simple, opposite, ovate, elliptic-ovate or lanceolate, apex acute to acuminate, base rounded or cordate, chartaceous; petiole to 3 mm long; stipules filiform. Flowers in a few-flowered, axillary fascicles. Calyx 1.5 mm long, cupular, 5-toothed. Corolla white, 5-6 mm across; tube 3-4 mm long, slightly constricted above, furnished with a curtain of stiff reflexed hairs within; lobes 5, lanceolate, acuminate, reflexed. Stamens 5; filaments c. 2 mm long. Ovary c. 1 x 1 mm, compressed; stigma acute. Drupe 7-10 mm across, obcordate, compressed; pyrenes rugose.