Flora of North America species comparison

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

decumbent, ascending, or erect, branched, dark brown to red, usually hollow.

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 7–15 mm;

petiole 3–5 cm;

leaflets 5–9, blades 20–40 × 4–9 mm, adaxial surface glabrous.

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

flowers spirally arranged.

open, 15–50 cm;

flowers ± whorled or not.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

3–15 cm;

bracts deciduous, 8–10 mm.

1–3.5 mm.

5–10 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.

12–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or ± 3-toothed, 7–9 mm, adaxial lobe 2-toothed, 7–8 mm;

corolla violet, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate claw to tip.

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

dark, 3–7 cm, sparsely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled or ridged.

7 or 8, mottled brown with black line, 3–4 mm.