Flora of North America species comparison

erect, usually unbranched.

decumbent to erect, few to several-tufted, unbranched or branched.

cauline (few and large) and basal (persistent until after anthesis);

stipules 11 mm;

petiole 5–20 cm;

leaflets (7–)9–11(or 12), blades 20–50(–80) × 5–12 mm, abaxial surface with long, appressed hairs, especially on margins and veins, adaxial surface usually glabrous.

mostly basal with 3 or 4 cauline;

stipules not leaflike, green to silvery, 8–12 mm;

basal petioles 4–7 cm, proximal cauline petioles 3.5–15 cm, distal ones 2–3.5 cm;

leaflets 5–9, blades 15–70 × 3–8 mm, surfaces densely pubescent, adaxially less pubescent and greener.

loose, 11–40 cm;

flowers spirally arranged or whorled.

3–10(–12) cm;

flowers in 3–6 whorls.

11–18 cm;

bracts deciduous, 5 mm.

2.5–7(–13) cm;

bracts subpersistent, 4–10 mm.

5–12 mm.

2–5(–7) mm.

fragrant, 8–13 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 6 mm, adaxial lobe notched, 4–6 mm;

corolla blue to purple, yellowish, or creamy white, banner distinctly ruffled, markedly concave on lateral face, banner glabrous or sparsely pubescent abaxially, wings glabrous, keel curved upward, lower keel margins glabrous, adaxial margin glabrous.

10–13 mm;

calyx slightly gibbous adaxially near base, bulge or spur 0–1 mm, abaxial lobe 3-lobed, 5–7 mm, adaxial lobe 2-lobed, 4–6 mm;

corolla blue to purple, banner spot light yellow, banner with inconspicuous hairs abaxially, adaxial keel glabrous or with a few cilia along adaxial edges towards tip, keel upcurved.

2–3 cm, glabrous.

1.5–3 cm, silky-pilose.

deciduous, petiolate.

deciduous, petiolate.

4 or 5.

4–6.

= 48.