Flora of North America species comparison

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

erect, unbranched or branched.

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 green, leaflike, lanceolate, 6–30 mm;

petiole 3–6 cm;

leaflets 6–9, blades 20–60 × 4–8 mm, adaxial surface pubescent.

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

flowers spirally arranged.

3–20 cm;

flowers ± whorled.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

1–11 cm;

bracts deciduous, 4–10 mm.

1–3.5 mm.

2–7 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.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 5–12 mm, adaxial lobe 2-toothed, 5–10 mm;

corolla blue, banner patch white, banner glabrous abaxially, keel upcurved, usually glabrous, sparsely hairy near middle of adaxial margin.

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

2–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled or ridged.

2–6, beige, mottled brown, 4–5 mm.