Flora of North America species comparison

short and tufted or erect, branched from base or near middle.

erect, unbranched or branched distally.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

leaflets 5–9, blades 10–40 × 5–10 mm, adaxial surface glabrous.

cauline;

stipules not leaflike, green to silvery, 5–16 mm;

petiole 3–6 cm;

leaflets 7–12, blades 30–80 × 4–8 mm, adaxial surface sparsely pubescent.

8–12-flowered, 2–11 cm, shorter than or slightly exceeding foliage;

flowers spirally arranged.

4–22 cm;

flowers ± whorled.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

3–12 cm;

bracts deciduous, 5–9 mm.

1–3.5 mm.

2–6 mm.

5–12 mm;

calyx abaxial lobe entire, 5–6 mm, adaxial lobe cleft, 2.5–4 mm;

corolla vivid blue, sometimes paler or white, sometimes bicolored, banner spot white or yellowish, keel glabrous.

13–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–11 mm, adaxial lobe 2-toothed, 6–10 mm;

corolla light blue to purple, banner patch yellowish to white, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

1.5 cm, constricted between seeds, thinly pilose to coarsely hirsute.

3–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled or ridged.

3–7, beige, speckled brown, 4–6 mm.