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.

biennial, low-mounding to creeping, sparsely to moderately hairy, glabrescent, eglandular, not pruinose;

prickles sparse to moderate, slightly to strongly hooked, weak to stout, 0.8–1.5(–2) mm, broad-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 or pinnately compound;

stipules filiform to linear, (4–)6–11 mm;

leaflets 3(–5), terminal broadly ovate-rhombic to obovate, (2–)3–5(–9) × 2.2–5(–7.5) cm, base cuneate to obtuse, slightly 3-lobed, margins coarsely serrate to doubly serrate, apex acute to obtuse, abaxial surfaces with slightly to strongly hooked prickles on veins, densely whitish-tomentose, eglandular or sparsely short-stipitate-glandular.

terminal and axillary, 1–2-flowered.

terminal and axillary, 2–20-flowered, cymiform to thyrsiform.

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

prickles moderate, slightly to strongly hooked, moderately hairy, eglandular or sparsely short-stipitate-glandular.

bisexual;

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

filaments laminar;

ovaries glabrous.

bisexual;

petals pinkish to magenta, oblanceolate to obovate, 4–7 mm;

filaments filiform;

ovaries moderately to densely hairy, styles glabrous.

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

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

red, round, 0.6–0.9 cm;

drupelets 10–50, strongly coherent, separating from torus.

= 14.

= 14.