Plants forming small to extensive clumps, rarely crown-forming, 2–30 dm, not rhizomatous; twigs of current season yellow-green or reddish green, terete to slightly angled, glabrous or hairy in lines. Leaf blades usually green, broadly elliptic to ovate, 25–50 × 11–23 mm, margins sharply serrate, surfaces glandular abaxially. Flowers: calyx green, obscurely lobed, glabrous; corolla white, cream, yellowish pink, or bronze, globose to urceolate, 3–5 × 5–7 mm, thin, glaucous; filaments glabrous. Berries shiny or dull black or deep purple, rarely red or white, 9–13 mm diam. Seeds ca. 1 mm. 2n = 48.