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Shrubs, 10–30 dm, armed. Stems ?biennial?, erect to arching, glabrous or sparsely to densely hairy, eglandular or sparsely to moderately, rarely densely, sessile-to short-stipitate-glandular, not pruinose; prickles sparse to dense, erect or slightly retrorse, stout, 4–10 mm, broad-based. Leaves deciduous, palmately compound, ?not lustrous?; stipules filiform to narrowly lanceolate, (3–)5–15(–20) mm; leaflets (3–)5(–7), terminal ovate to lanceolate, 5–15 × 3–13 cm, base rounded to shallowly cordate, unlobed, margins finely to coarsely singly or doubly serrate, apex acuminate to long-attenuate, abaxial surfaces ?green?, usually with retrorse prickles on midveins, moderately hairy, eglandular or sparsely to moderately sessile-to short-stipitate-glandular along veins. Inflorescences terminal ?on short shoots, usually appearing axillary?, (2–)5–12(–16)-flowered, cymiform, racemiform, or thyrsiform. Pedicels unarmed or prickles sparse, erect, glabrous or sparsely to densely hairy, eglandular or sparsely to moderately sessile-to short-stipitate-glandular. Flowers bisexual; petals white, usually obovate to elliptic, rarely suborbiculate, 8–40 mm; filaments filiform; ovaries glabrous. Fruits black, globose to cylindric, 1–2 cm; drupelets 10–100, strongly coherent, separating with torus attached. 2n = 14, 21, 28, 35, 36, 42.
