Flora of North America species comparison

erect, sparsely to moderately hairy, moderately to densely stipitate-glandular, glands dark purple, not pruinose.

annual, arching to mounding, glabrous, eglandular, not pruinose;

prickles sparse, slightly hooked, stout, 3–4 mm, broad-based.

deciduous, simple;

stipules lanceolate to ovate, 5–15 mm;

blade subrotund to reniform, 9–20(–30) × (10–)15–25(–30) cm, base cordate, palmately, ± deeply, (3–)5-lobed, margins finely, irregularly serrate to doubly serrate, apex acute to acuminate, abaxial surfaces sparsely to moderately hairy, sparsely to densely stipitate-glandular, glands dark purple.

deciduous, pinnately compound;

stipules lanceolate to oblanceolate, 8–13 mm;

leaflets (3–)5–7, terminal lanceolate to narrowly ovate, (5.5–)6.2–8.5(–9.7) × (1.8–)2.2–3(–4.2) cm, base usually rounded, sometimes truncate to subcordate, unlobed, margins finely to coarsely doubly serrate, apex acuminate, abaxial surfaces with prickles on midvein, glabrous, eglandular.

terminal and axillary, 4–7(–22)-flowered, cymiform to thyrsiform.

solitary flowers or 2–3-flowered clusters.

pubescent, moderately to densely stipitate-glandular, glands dark purple.

prickles sparse, slightly hooked, glabrous, eglandular.

bisexual;

petals usually magenta, rarely white, broadly obovate to suborbiculate, (12–)17–25(–30) mm;

filaments filiform;

ovaries distally densely hairy, styles clavate, glabrous.

bisexual;

petals white, broadly obovate to suborbiculate, 12–15(–18) mm;

filaments laminar;

ovaries glabrous, styles glabrous.

pale to dark red, hemispheric, 0.7–1.5 cm;

drupelets 30–60, coherent, separating from torus.

red, oblong, 1.4–2 cm;

drupelets 50–100, strongly coherent, separating from torus.

= 14.

= 14.