Flora of North America species comparison

densely hairy in proximal 1/2, glabrous or sparsely hairy in distal 1/2.

blades: basal sinus incisions absent or, sometimes, relatively short, abaxial surface usually glabrous, nerves usually glabrous proximally, sometimes hairy throughout, adaxial sparsely to densely hairy throughout or on folds only.

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

stipules present, rarely absent.

primary branches and peduncles usually glabrous.

usually glabrous, rarely some of the proximal hairy.

hypanthium usually sparsely hairy, sometimes 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).

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).