Flora of North America species comparison

ascending or erect, branched near middle.

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

cauline;

petioles 2–8 cm;

leaflets usually 7, blades bright green, 20–50 × 5–15 mm, adaxial surface sparsely pubescent.

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.

dense, 5–10 cm;

flowers spirally arranged.

3–10(–12) cm;

flowers in 3–6 whorls.

8–18 cm;

bracts tardily deciduous, 3–5 mm.

2.5–7(–13) cm;

bracts subpersistent, 4–10 mm.

1.5–4 mm.

2–5(–7) mm.

13–18 mm;

calyx abaxial lobe entire, 5–7 mm, adaxial lobe deeply cleft, 4–6 mm;

corolla banner yellow, wings usually pink, rarely white, keel white, lower and upper margins ciliate from claw to middle.

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 cm, glabrous or glabrate.

1.5–3 cm, silky-pilose.

deciduous, petiolate.

deciduous, petiolate.

usually 5.

4–6.