Flora of North America species comparison

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

biennial, erect, primocanes and floricanes later over-arching, glabrous or sparsely puberulent, eglandular, strongly pruinose;

prickles sometimes sparse, erect or hooked, narrow to stout, 4–8 mm, narrow- to 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, ternate or palmately compound;

stipules filiform, 5–10 mm;

petiole usually armed with prickles;

petiolules of terminal leaflets also sometimes armed;

lateral leaflets sessile or subsessile;

leaflets 3(–5), terminal ovate to lanceolate, 5–14 × 3–11 cm, base rounded to cordate, unlobed or laterals sometimes lobed, margins finely to doubly serrate, apex acute, abaxial surfaces sometimes with hooked prickles on midveins, densely white-canescent to tomentose, eglandular.

1–3-flowered, sometimes umbelliform.

(2–)3–7(–20)-flowered, cymiform or umbelliform.

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

prickles erect, hooked, puberulent to pubescent, eglandular.

bisexual;

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

filaments laminar;

ovaries glabrous, styles glabrous.

bisexual;

petals initially erect, later ascending, white, narrowly obovate to elliptic, 5–10 mm, apex sometimes emarginate;

filaments laminar;

ovaries tomentose.

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.

usually dark purplish to black, rarely amber, pruinose, aromatic, depressed-globose, 1–1.5 cm;

drupelets 20–50, coherent, separating from torus.

= 14.

= 14.