Shrubs, 1-3 m tall; branches terete to flattened, glabrous, with thorns 6-12 mm. Petiole 2-5 mm, glabrous; leaf blade drying papery or thinly leathery, ovate, lanceolate, broadly elliptic, or elliptic-oblong, 0.6-5.5 × 0.4-2.5 cm, both surfaces glabrous, base cuneate, margins sometimes thinly revolute, apex obtuse or acute; secondary veins 2 or 3 pairs, in abaxial axils usually with foveolate and/or pilosulous domatia; stipules triangular to ovate, 1.5-2 mm, glabrous, acuminate to cuspidate. Inflorescences 1-flowered or cymose and 2-or 3-flowered, glabrescent; peduncles 2-10 mm, articulate when flowers solitary; bracts lanceolate, 1.5-2.5 mm; pedicels 3-10 mm. Calyx glabrous; ovary portion obconic, 1.2-1.5 mm; limb with tube somewhat campanulate, 3.5-4 mm; lobes narrowly triangular, 1.5-2 mm, acute to acuminate. Corolla white, outside puberulent to usually glabrous; tube 14-20 mm; lobes lanceolate, 6-12 mm, acute. Fruiting pedicels 3-12 mm. Berry globose, 5-7 mm in diam., glabrous; seeds ellipsoid to angled, 2-3 mm. Fl. Mar-May, fr. May-Dec.
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