Flora of North America species comparison

creeping, flowering branches erect, glabrous or sparsely to moderately hairy, eglandular, not pruinose.

biennial, arching, usually densely, sometimes moderately, hairy, usually eglandular, sometimes sessile- to short-stipitate-glandular, not pruinose;

prickles moderate to dense, recurved to erect, slender, 3–10 mm, broad-based.

deciduous, usually ternate, sometimes pedately 5-foliate;

stipules lance-ovate to oblanceolate, (5–)8–12(–20) mm;

leaflets 3(–5), petiolule of terminal leaflet 2–7 mm, terminal rhombic to obovate, (2–)4–8(–10) × 2–4(–6) cm, base cuneate, unlobed or 2-lobed, margins deeply serrate to doubly serrate, apex acute or acuminate, abaxial surfaces glabrous or sparsely hairy, eglandular.

deciduous or ± persistent, palmately compound;

stipules filiform to linear, 5–15 mm;

leaflets 3–5, terminal usually suborbiculate to orbiculate, sometimes broadly elliptic, 4–9 × 4–8 cm, base rounded to shallowly cordate, unlobed, margins moderately to coarsely serrate, apex acute to cuspidate, abaxial surfaces with hooked prickles on midvein, densely white-gray to gray-green tomentose, eglandular or obscurely short-stipitate- to sessile-glandular along midveins.

1–3-flowered, sometimes umbelliform.

terminal, 7–35-flowered, cymiform or thyrsiform.

moderately to densely long-hairy, eglandular to densely stipitate-glandular.

prickles moderate to dense, recurved to erect, densely hairy, moderately to densely stipitate-glandular.

bisexual;

petals white to pink, oblanceolate to obovate, (4–)6–8(–10) mm;

filaments laminar;

ovaries glabrous, styles glabrous.

bisexual;

petals pink to magenta, elliptic to suborbiculate, 6–12(–15) mm;

filaments filiform;

ovaries apically hairy.

red, globose to conical, 0.5–1.4 cm diam., drupelets (5–)10–25, loosely coherent, falling separately or as a unit with torus attached.

black, globose, 1–1.5 cm;

drupelets 15–40, coherent, separating with torus attached.

= 14.

= 28.