Flora of North America species comparison

erect to arching, glabrate or sparsely to densely hairy, eglandular or sparsely short-stipitate-glandular, rarely densely long-stipitate-glandular, not pruinose;

bark usually papery with age, peeling (especially toward base);

prickles absent or sparse to dense, erect, slender, 1–5 mm, broad- to narrow-based.

usually creeping, ± woody basally, sparsely to densely hairy, eglandular, not pruinose;

prickles absent or sparse, erect, weak, 1–3 mm, narrow-based.

deciduous, ternate;

stipules filiform to linear, 3–10 mm;

terminal leaflets ovate, 4–15 × 3.5–15 cm, base truncate, rounded to shallowly cordate, shallowly, sharply lobed, margins coarsely serrate to doubly serrate, apex acute to acuminate, abaxial surfaces unarmed or with erect prickles on midvein, moderately to densely hairy, eglandular, rarely stipitate-glandular along midvein.

deciduous, ternate;

stipules free from petioles, lanceolate to ovate or elliptic, 6–11 mm;

petiole 2–11 cm;

petiolule of terminal leaflet 8–20 mm;

lateral leaflet sessile or subsessile;

terminal leaflets ovate to elliptic, 4–8 × 3–7 cm, base tapered, unlobed, lateral leaflets sometimes shallowly lobed, margins coarsely doubly serrate, apex acute, abaxial surfaces unarmed, sparsely hairy, eglandular.

terminal and axillary, 1–2-flowered.

axillary, 1–6-flowered, cymiform or umbelliform.

unarmed or prickles sparse, erect, moderately to densely hairy, eglandular, rarely short-stipitate-glandular.

unarmed or prickles weak, erect, hairy, eglandular or sparsely stipitate-glandular.

bisexual;

petals pink to magenta, broadly to narrowly obovate, 10–30 mm;

filaments laminar;

ovaries glabrous.

bisexual;

petals greenish white, narrowly obovate, 5.5–7 mm;

filaments laminar;

ovaries glabrous.

yellow, orange, or red, globose to ovoid, 1–2 cm;

drupelets 20–80, strongly coherent, separating from torus.

red, globose, 0.5–1.5 cm;

drupelets 1–10, not or weakly coherent, separating with torus attached.

= 14.

= 28.