Flora of North America species comparison

erect, sparsely to moderately short-hairy, sparsely stipitate-glandular, not pruinose.

biennial, ascending, often arching, glabrous or sparsely puberulent, eglandular or sparsely to densely short-stipitate-glandular, strongly pruinose;

prickles moderate to dense, erect or curved, slender to stout, 4–8 mm, usually broad-based, sometimes narrow-based.

deciduous, simple;

stipules lanceolate to narrowly ovate, (4–)6–8(–10) mm;

blade cordate to broadly ovate, (2.5–)3.5–5.5(–6.5) × (2.5–)3.5–5.5(–8) cm, base shallowly to deeply cordate, palmately, shallowly to deeply 3–5(–7)-lobed, margins coarsely doubly dentate, apex acute to broadly obtuse, abaxial surfaces moderately hairy, sparsely stipitate-glandular.

deciduous, palmately compound or ternate;

stipules filiform, 5–10 mm;

petiole with hooked or erect prickles, glabrous, eglandular or sparsely to densely sessile- to short-stipitate-glandular;

lateral leaflets stalked, at least 2 larger ones, often with prickles, glabrous, eglandular or stipitate-glandular;

leaflets 3–5(–7), terminal ovate to lanceolate, 6–10 × 3–6 cm, base cordate to truncate, unlobed or shallowly 3-lobed, margins serrate to doubly serrate, apex acuminate, abaxial surface sometimes with prickles on midrib and some lateral veins, glabrous to strongly white-tomentose, usually eglandular.

1(–2)-flowered.

axillary and terminal, (1–)3–10(–12)-flowered, flat-topped cymiform or umbelliform.

sparsely to moderately hairy, sparsely to densely short- to long-stipitate-glandular.

prickles sparse to dense, hooked or erect, puberulent, eglandular or sparsely to densely sessile- or short-stipitate-glandular.

bisexual;

petals white, broadly obovate to suborbiculate, (15–)20–30(–35) mm;

filaments filiform;

ovaries glabrous, styles clavate, villous.

bisexual;

petals erect, then ascending, white, oblong to oblanceolate, 3–6(–8) mm;

filaments laminar;

ovaries pubescent, rarely glabrous.

red, hemispheric, to 1 cm;

drupelets 20, coherent, separating from torus.

reddish purple to nearly black, depressed globose to conic, 1–2 cm;

drupelets 20–60, coherent, separating from torus.

= 14.

= 14.