Flora of North America species comparison

perennial, creeping, sparsely hairy, glabrescent, eglandular, not pruinose;

prickles sparse, strongly retrorse, stout, to 1 mm, broad-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.

evergreen, simple or ternate;

stipules adnate to petioles, broadly elliptic to ovate, (6–)8–10 mm;

blade ovate to cordate, (2.5–)3–5(–8) cm, lobe or leaflet base cordate, shallowly 3-lobed, margins coarsely, singly or doubly dentate, apex acute to obtuse, abaxial surfaces with prickles along midveins, glabrous or sparsely hairy, eglandular, both surfaces lustrous fresh.

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.

1–2-flowered.

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

prickles scattered, retrorse, moderately to densely hairy, eglandular.

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

bisexual;

petals magenta to pink, elliptic to oblanceolate or spatulate, (5–)8–10 mm;

filaments filiform;

ovaries moderately hairy, styles glabrous.

bisexual;

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

filaments filiform;

ovaries moderately to densely hairy, styles glabrous.

red, hemispheric, 0.4–1 cm;

drupelets 3–10, not coherent, separating from torus.

red, round, 0.6–0.9 cm;

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

= 14.

= 14.