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, rarely opposite, pinnately compound, sometimes simple or palmately compound;

stipules present, rarely absent.

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.

torus usually enlarged, sometimes small or absent;

carpels 1–260(–450), distinct, free, styles distinct, rarely connate (Roseae);

ovules 1(or 2), collateral (Rubeae) or superposed (Fallugia, Filipendula).

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

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

achenes or aggregated achenes sometimes with fleshy, urn-shaped hypanthium or enlarged torus, sometimes aggregated drupelets;

styles persistent or deciduous, not elongate (elongate but not plumose in Geum).

= 7(8).

= 14.