Flora of North America species comparison

short to elongate.

usually solitary, sometimes loosely tufted, (3–)4–9 dm;

base (1–)2–4 mm diam., moderately to densely septate-glandular.

sparsely to moderately hairy;

basal (7–)10–25(–30) cm, leaflet pairs 3–4;

terminal leaflet broadly obovate, 2–5(–6) × 1.5–3.5(–4) cm, teeth single or double, 6–11 per side, apex usually rounded, sometimes obtuse;

cauline 1–3, proximally well developed, leaflet pairs 2–4.

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

stipules present, rarely absent.

10–20(–40)-flowered, not leafy, open, 1/4–2/3 of stem, narrow, branch angles 10–30°.

2–8 (proximal to 20) mm, predominantly short-hairy, sparsely to moderately septate-glandular.

opening widely;

epicalyx bractlets linear to narrowly elliptic, 2–4 × 0.5–1 mm;

sepals spreading, 5–8 mm, apex acute to acuminate;

petals overlapping or not, spreading, cream-white to pale yellow, broadly obovate, 4–6 × 3–6 mm, usually longer than, sometimes equal to, sepals;

filaments 1.5–2.5(–3) mm, anthers 0.8–1 mm;

styles thickened, 0.8–1.2 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).

light brown, 0.7–1 mm.

= 7(8).

= 14.