Flora of North America species comparison

ascending or erect, branched or unbranched.

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

cauline;

petiole flattened and leafletlike, 3–10 cm;

leaflets 5–8, blades 20–40 × 2–5 mm, apex usually truncate, adaxial surface 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.

6–35 cm;

flowers loosely spirally arranged.

3–10(–12) cm;

flowers in 3–6 whorls.

3–10 cm;

bracts persistent, 2–5 mm.

2.5–7(–13) cm;

bracts subpersistent, 4–10 mm.

2–4 mm.

2–5(–7) mm.

8–13 mm;

calyx 3–4 mm, lobes ± equal, abaxial lobe entire or shallowly cleft, 2.5–3 mm, adaxial lobe deeply cleft, 1.5–2 mm;

corolla banner and wings magenta, banner spot white or yellowish, becoming dark magenta, keel stout, blunt, 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.

±3 cm, pubescent.

1.5–3 cm, silky-pilose.

deciduous, petiolate.

deciduous, petiolate.

6–8.

4–6.