Flora of North America species comparison

erect, ascending, or decumbent, branched.

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

cauline and basal;

stipules 4–9 mm;

petiole 2–16 cm;

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

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.

open, 3–18 cm;

flowers whorled.

3–10(–12) cm;

flowers in 3–6 whorls.

2–5 cm;

bracts deciduous, 3–6 mm.

2.5–7(–13) cm;

bracts subpersistent, 4–10 mm.

1–7 mm.

2–5(–7) 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.

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, silky.

1.5–3 cm, silky-pilose.

deciduous, petiolate.

deciduous, petiolate.

3–6, tan, 5–6 mm.

4–6.