Flora of North America species comparison

erect, ascending, or decumbent, branched.

ascending or erect, usually branched, sometimes unbranched.

cauline and basal;

stipules 4–9 mm;

petiole 2–16 cm;

leaflets 7–10(–13), blades 20–70 × 3–15 mm, adaxial surface strigose.

cauline;

stipules well developed;

petiole 1.3–3.3 cm;

leaflets (3 or)4–7, blades 7–20(–24) × 3–5 mm, adaxial surface pubescent.

open, 3–18 cm;

flowers whorled.

dense, several-flowered, 1–3 cm;

flowers spirally arranged.

2–5 cm;

bracts deciduous, 3–6 mm.

(1–)3–6 cm;

bracts persistent, 3–4 mm.

1–7 mm.

0.8–2 mm.

8–14 mm;

calyx spur distinct, 1–3 mm, abaxial lobe 3-toothed, 2.5–5 mm, 1–3 mm, adaxial lobe 2-toothed, 2–4 mm;

corolla blue, purple, pink, white, or yellowish, banner patch white, yellowish, or absent, banner hairy abaxially, wings with dense hair patch outside near tip, lower keel margins glabrous, adaxial margin ciliate.

5–9 mm;

calyx 7–8 mm, adaxial lobe more than 1/2 as long as abaxial;

corolla usually blue with pale banner patch, sometimes entirely white, keel glabrous.

2–3 cm, silky.

not obviously undulate, 0.9–1.3 cm, sparsely or densely pilose.

deciduous, petiolate.

persistent on young plants, becoming dry and deciduous, sessile.

3–6, tan, 5–6 mm.

2.