Flora of North America species comparison

(1–)2–6(–10) dm.

(1–)2.5–8 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–)1–6(–8) cm;

blade pinnatifid to pinnatisect, 1.5–11 cm, lobes (3–)6–10 on each side, lateral lobes oblong or ovate, 0.4–3 cm × 1–10 mm, not fleshy, margins entire, terminal lobe considerably larger than lateral ones, 1–5 cm × 10–350 mm.

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 pinnatisect, lateral lobes 1–4, (oblong to lanceolate), margins often entire, rarely coarsely toothed; conspicuously auriculate, auricles ovate or narrowly oblong, (to 10 × 4 mm, margins entire).

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 3–5 × 0.7–1.5 mm, lateral pair slightly saccate basally, margins scarious;

petals yellow or pale yellow, oblanceolate to spatulate, (5–)6–7(–8.5) × 1.5–3 mm, base cuneate, apex truncate or emarginate;

filaments 3–5 mm;

anthers 0.8–1.2 mm;

ovules (34–)38–48(–52) per ovary;

gynophore to 0.3 mm.

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

divaricate to ascending, (2–)3–6(–7) mm, terete, stout (almost as broad as 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 ascending, not appressed to rachis, torulose, subterete to slightly latiseptate, (4.5–)5.3–7(–8) cm × 1.5–2 mm;

style stout, 0.2–1(–2) mm.

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

dark brown, somewhat plump, oblong or quadrate, 1.8–2.5 × 1.4–1.6 mm.

= 16.

= 16.