Flora of North America species comparison

elongate.

openly tufted to loosely spaced, 1.5–4.5 dm;

base 1.2–3.5 mm diam., ± densely septate-glandular.

sparsely to ± densely hairy;

basal 6–20 cm, leaflet pairs (2–)3–4(–5);

terminal leaflet broadly obovate to nearly round, 1–4 × 1–3.5 cm, teeth usually ± double, 5–10 per side, apex rounded;

cauline 0–2, well developed, leaflet pairs 2–3.

5–50-flowered, leafy, open, (1/5–)1/2(–4/5) of stem, wide, branch angles 25–50°.

2–5 (proximal to 10) mm, sparsely to moderately short-hairy, predominantly septate-glandular.

opening narrowly;

epicalyx bractlets usually lanceolate, sometimes linear, 3–4 × 1–1.5 mm;

sepals ± erect, 5–8 mm, apex acute to obtuse;

petals overlapping, ± erect, light yellow, broadly obovate, 5–11 × (3–)5–8 mm, equal to or exceeding sepals;

filaments 1.5–3 mm, anthers 1 mm;

styles slender, (1–)1.5–2.5 mm.

light brown, 1 mm.