Flora of North America species comparison

(1–)2–7 dm, base 2–5 mm diam.

2–6 dm, base 2–3(–4) mm diam.

basal (5–)10–30 cm, leaflet pairs (2–)3–4;

terminal leaflet broadly obovate, (2–)3–7 × 2–5 cm, teeth double, 9–17 per side, apex usually rounded, rarely obtuse;

cauline well developed, leaflet pairs 2–4.

basal (5–)10–25 cm, leaflet pairs (1–)2–3(–4);

terminal leaflet obovate to nearly round, 2–6(–8) × (1–) 2–5 cm, teeth double, 7–15(–20) per side, apex obtuse to rounded;

cauline well developed, leaflet pairs 1–3.

(3–)5–30-flowered, ± to very leafy, wide, branch angles (15–)30–55°.

5–40-flowered, ± to very leafy, wide, branch angles (20–)30–50°.

1–5 (proximal to 30) mm.

1–5 (proximal to 30) mm.

epicalyx bractlets ± elliptic, (3–)4–7 × 1.5–2.5(–3) mm;

sepals spreading, 5–11 mm, apex round-obtuse, mucronate;

petals spreading, usually cream-white, sometimes pale yellow, broadly ovate or obovate, (4–)4.5–6.5 × 3–5.5 mm;

filaments 1–2 mm.

epicalyx bractlets linear-lanceolate to elliptic, 2–6(–8) × 0.5–2 mm;

sepals spreading, 4.5–10 mm, apex ± obtuse, mucronate;

petals spreading, usually ± yellow, sometimes cream-white, obovate-elliptic to nearly round, (3–)3.5–5 × (2–)3–4 mm;

filaments (0.5–)1–2 mm.

1.2–1.5 mm.

1–1.4 mm.

= 14.

= 14.