Flora of North America species comparison

erect to arching, glabrate or sparsely to densely hairy, eglandular or sparsely short-stipitate-glandular, rarely densely long-stipitate-glandular, not pruinose;

bark usually papery with age, peeling (especially toward base);

prickles absent or sparse to dense, erect, slender, 1–5 mm, broad- to narrow-based.

deciduous, ternate;

stipules filiform to linear, 3–10 mm;

terminal leaflets ovate, 4–15 × 3.5–15 cm, base truncate, rounded to shallowly cordate, shallowly, sharply lobed, margins coarsely serrate to doubly serrate, apex acute to acuminate, abaxial surfaces unarmed or with erect prickles on midvein, moderately to densely hairy, eglandular, rarely stipitate-glandular along midvein.

alternate, imparipinnately or palmately compound or simple;

stipules persistent [deciduous], free or adnate to petiole;

venation pinnate or palmate.

terminal and axillary, 1–2-flowered.

unarmed or prickles sparse, erect, moderately to densely hairy, eglandular, rarely short-stipitate-glandular.

bisexual;

petals pink to magenta, broadly to narrowly obovate, 10–30 mm;

filaments laminar;

ovaries glabrous.

perianth and androecium perigynous;

epicalyx bractlets absent;

hypanthium flat to hemispheric;

torus flat or convex to conic;

carpels 5–150, styles apical, distinct;

ovules 2, apical, collateral, only 1 maturing.

yellow, orange, or red, globose to ovoid, 1–2 cm;

drupelets 20–80, strongly coherent, separating from torus.

aggregated drupelets;

styles persistent, not elongate.

= 14.