Shrubs, ca. 3 m tall; branches compressed to terete, puberulent to glabrous, with thorns 2-14 mm. Petiole 3-5 mm, puberulent to glabrous; leaf blade drying thinly leathery to stiffly papery and dark brown, obovate or elliptic, 2-6 × 1.5-3 cm, both surfaces glabrous, base cuneate to obtuse, apex obtuse to rounded and sometimes shortly mucronate; secondary veins 3-5 pairs, in abaxial axils with foveolate and/or pilosulous domatia; stipules triangular to ovate, 2.5-3 mm, glabrous, acute. Inflorescences 1-or 2-flowered, fasciculate, sometimes clustered on shortened internodes and appearing cymose, puberulent to glabrous; peduncles 5-10 mm, sometimes articulate near base; bracts triangular, ca. 1 mm, ciliate, acute. Calyx glabrous; ovary portion ellipsoid to obconic, 1.5-2 mm; limb with tube 2-3 mm; lobes triangular to linear, 0.5-1 mm. Corolla yellow, glabrous outside; tube 3-5 mm; lobes oblong-elliptic, ca. 6 × 3-3.5 mm, obtuse. Fruiting pedicels 10-17 mm. Berry globose, 5-7 mm in diam., glabrous. Fr. Sep-Oct.