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, erect to arching, often scrambling, sparsely hairy, glabrescent, eglandular, strongly pruinose;

prickles sparsely to moderately dense, hooked to reflexed, stout, 3–9 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, pinnately compound;

stipules linear-lanceolate, 4–8 mm;

leaflets (3–)5–7(–9), terminal ovate to broadly ovate, 4–6.7 × (2.4–)3.4–5.4 cm, base shallowly cordate, sometimes shallowly 3-lobed, margins coarsely serrate to doubly serrate, apex acute to short-acuminate, abaxial surfaces with scattered, reflexed, broad-based prickles on midveins, densely white-tomentose, eglandular.

terminal and axillary, 1–2-flowered.

terminal and axillary, 1–11-flowered, cymiform.

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

prickles absent or sparse, erect to reflexed, pubescent, eglandular.

bisexual;

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

filaments laminar;

ovaries glabrous.

bisexual;

petals pink to magenta, broadly obovate to orbiculate, 4 mm;

filaments laminar;

ovaries densely hairy.

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

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

purple-black, hemispheric to globose, 0.5–1.5 cm;

drupelets 50–75, coherent, separating from torus.

= 14.

= 14.