Shrubs, 30–50 dm, unarmed or armed. Stems ?biennial?, erect, then arching, usually moderately, rarely sparsely, hairy ?hairs stellate?, eglandular, strongly pruinose; prickles absent or sparse to dense, erect to hooked, stout, 3–10 mm, broad-based. Leaves persistent or nearly so, ternate to palmately compound; stipules filiform to linear, 4–12 mm; leaflets 3–5, terminal ovate, elliptic, or suborbiculate to obovate, 4–10 × 2–6(–9) cm, base rounded to cuneate, unlobed, margins finely to moderately serrate, apex acute or acuminate to attenuate, abaxial surfaces with hooked prickles on larger veins, densely white short-velutinous, hairs usually minute, eglandular. Inflorescences terminal, 10–60-flowered, paniculiform or thyrsiform. Pedicels unarmed or prickles moderate to dense, erect to hooked, densely short-hairy, eglandular. Flowers bisexual; petals usually pink, sometimes white, obovate or elliptic to suborbiculate, 5–12 mm; filaments filiform; ovaries apically hairy. Fruits black, globose to ovoid, 1–1.5 cm; drupelets 10–40, strongly coherent, separating with torus attached. 2n = 14.