Flora of North America species comparison

absent or inconspicuous, uncolored.

mostly ± ascending, 0.5–3(–4.5) dm.

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

stipules present, rarely absent.

often 2-ranked, palmate, sometimes subpalmate, 2–20 cm;

petiole (0.5–)1–8(–14) cm, long hairs often absent, sometimes sparse to abundant, usually appressed, 1–2 mm, weak to ± stiff, short, crisped, and cottony hairs absent, glands absent or sparse;

leaflets 5–6(–7), sometimes with 1–2(–4) additional, smaller, entire leaflets, on tip or to distal 1/10(–1/4) of leaf axis, separate, largest ones oblanceolate or cuneate to obovate, 1–4(–6) × 0.5–1.5(–2) cm, margins flat, distal 1/3–1/2(–2/3) ± evenly incised 1/2 or nearly to midvein, undivided medial blade 1.5–7(–10) mm wide, teeth 1–3(–5) per side, broadly lanceolate or linear to narrowly oblong, 1–5(–8) mm, surfaces similar adaxial ± less hairy, ± blue-green, usually glaucous, long hairs sparse to abundant (often restricted to veins, distal teeth, and margins), short, crisped, and cottony hairs absent, glands absent or sparse.

(0–)1–2(–3).

2–10(–20)-flowered.

(0.5–)1–3(–6.5) cm.

epicalyx bractlets lanceolate to elliptic, 2–5 × 0.8–1.2(–1.6) mm, hairs sparse to common, rarely abundant, ± ascending, glands absent or inconspicuous;

hypanthium 3.5–5 mm diam.;

sepals (2–)2.5–4.5(–5) mm, apex acute to short acuminate;

petals (4–)5–10(–12) × 4–9(–10) mm;

filaments 1.5–2.5(–3) mm, anthers 0.4–0.7(–0.9) mm;

carpels 25–40, styles filiform above papillate-swollen base, 1.5–2.5(–3) mm.

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).

1.2–1.6 mm.

= 7(8).