Flora of North America species comparison

creeping, flowering branches erect, sparsely hairy, eglandular or sparsely to moderately short-stipitate-glandular, not pruinose.

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

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

deciduous, simple or ternate;

stipules broadly elliptic to ovate, 5–10 mm;

leaflets 3(–5), blade reniform or orbiculate, terminal lobe or leaflets broadly obovate to obovate-cuneate, 1.5–4(–6) × 1.5–4(–6) cm, base cordate, 3(–5)-lobed, margins coarsely doubly dentate, apex rounded to acute, abaxial surfaces sparsely hairy on veins, eglandular.

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.

1–2-flowered.

solitary flowers or 2–3-flowered clusters.

sparsely to moderately hairy, short-stipitate-glandular.

prickles sparse, slightly hooked, glabrous, eglandular.

bisexual;

petals white, broadly elliptic to obovate to orbiculate, (5–)8–10(–12) mm;

filaments filiform;

ovaries densely hairy, styles filiform, glabrous.

bisexual;

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

filaments laminar;

ovaries glabrous, styles glabrous.

red, hemispheric, 1 cm;

drupelets 5–15, weakly coherent, falling separately or as loose units free from torus.

red, oblong, 1.4–2 cm;

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

= 14.

= 14.