Flora of North America species comparison

(1–)2–6(–10) dm.

(1.5–)2–9(–12) dm.

petiole (0.5–)1–7(–15) cm, (rarely ciliate basally);

blade usually lyrate-pinnatifid, (1–)1.5–6(–11) cm, lobes (0, 1, or) 2–4 (or 5) on each side, lateral lobes oblong or ovate, 0.2–1 cm × 1–5 mm, not fleshy, margins entire, terminal lobe 1.5–5 cm × 10–25 mm.

petiole (0.5–)2–10(–17) cm;

blade lyrate-pinnatifid, (1–)2–8(–10) cm, lobes 1–3(–5) on each side (rarely early ones undivided), lateral lobes oblong or ovate, 0.3–2(–4) cm × 1–8(–15) mm, sometimes slightly fleshy, margins entire, repand, crenate, or dentate, terminal lobe (ovate or suborbicular), (0.7–)1.5–4.5(–7) cm × (4–)10–30(–50) mm, (surfaces glabrous or margins ciliate).

blade usually lyrate-pinnatifid (sometimes undivided and margins coarsely toothed or subentire), lateral lobes 1–4, (usually oblong or ovate, rarely lanceolate, to 2 × 1 cm), margins entire, (terminal lobe to 5 × 3 cm, margins usually entire or repand, rarely dentate); conspicuously auriculate, auricles ovate or narrowly oblong, (to 8 × 5 mm, margins entire).

blade ovate or suborbicular (undivided), margins usually coarsely dentate, rarely subentire; conspicuously auriculate, auricles ovate or narrowly oblong (to 10 × 5 mm), glabrous.

sepals 2.5–3.5 × 1–1.5 mm, lateral pair slightly saccate basally, margins scarious, (subapically sparsely pubescent or glabrous);

petals yellow or pale yellow, oblanceolate, 5–7(–8) × (1.5–)2–3 mm, base attenuate, apex rounded;

filaments 3–4.5 mm;

anthers 1 mm;

ovules (24–)26–36 per ovary;

gynophore to 0.5 mm.

sepals 3–4.5(–5) × 1–1.5 mm, lateral pair slightly saccate basally, margins scarious;

petals yellow, spatulate or oblanceolate, (5–)6–9(–10) × 1.5–2.5(–3.5) mm, base attenuate, apex rounded;

filaments 3–4.5 mm;

anthers 0.7–1.2 mm;

ovules 18–24(–28) per ovary;

gynophore to 0.5 mm.

erect or ascending, (2–)3–6(–7) mm, terete or subquadrangular, stout, (narrower than fruit).

divaricate to ascending or erect, 3–7 mm, terete or subquadrangular, thickened (narrower than fruit).

erect to erect-ascending, rarely appressed to rachis, torulose, terete to subquadrangular, (2.5–)3.1–4(–4.5) cm × 1.5–2 mm;

style stout, 0.5–1.2(–2) mm.

erect to erect-ascending, rarely appressed to rachis, torulose, terete, somewhat compressed, or 4-angled, (0.7–)1.5–3 cm × 1.2–2 mm;

style slender, (1–)1.5–3(–3.5) mm.

brown, somewhat plump, ovoid or oblong, 1.2–1.5 × 0.9–1 mm.

dark brown, plump, broadly ovoid to oblong or subglobose, 1.2–1.5 × 1–1.2 mm.

= 16.

= 16.