Flora of North America species comparison

erect, sparsely short-hairy, glabrescent, eglandular, not pruinose.

biennial, creeping, glabrous, eglandular, strongly pruinose;

prickles sparse, erect or slightly curved, weak, slender, 2–3 mm, narrow-based.

deciduous, simple;

stipules lanceolate, 4–6 mm;

blade cordate to broadly ovate, (2–)2.5–4(–5) × (2.5–)3.5–4.5(–5.5) cm, base deeply cordate, 3–5-lobed, lobe apices acute to obtuse, margins coarsely doubly dentate, abaxial surfaces glabrous or sparsely hairy, eglandular or sparsely stipitate-glandular.

deciduous, ternate;

stipules filiform to linear, 3–10 mm;

terminal leaflets ovate to elliptic, 4–8 × 3–7 cm, base tapered or subcordate, often 2-lobed, margins coarsely dentate, apex acute to rounded, abaxial surfaces unarmed, densely white-tomentose, eglandular.

1-flowered.

terminal and axillary, (1–)2–4(–10)-flowered, cymiform.

moderately hairy, eglandular or sparsely stipitate-glandular.

unarmed, finely hairy, stipitate-glandular.

bisexual;

petals white, obovate, (15–)20–25 mm;

filaments filiform;

ovaries glabrous, styles clavate, villous.

bisexual;

petals white, oblong to oblanceolate, 4–8 mm;

filaments laminar;

ovaries white-tomentose.

deep red, hemispheric, to 1 cm;

drupelets 10–30, coherent, separating from torus.

reddish purple, hemispheric to conic, 0.4–1 cm diam.;

drupelets 10–40, coherent, separating from torus.