Flora of North America species comparison

very short, tufted, branched.

erect, usually branched, sometimes unbranched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous.

cauline;

petiole 3–12 cm;

leaflets 7–10, blades 20–50 × 1.5–3.5 mm, adaxial surface glabrous.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

10–40 cm;

flowers spirally arranged, sometimes appearing ± whorled proximally.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

4–7 cm;

bracts deciduous, 10–15 mm, longer than buds.

0.3–1.5 mm.

5–9 mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel glabrous.

10–18 mm;

calyx 5–6.5 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla bright blue, banner spot whitish, becoming magenta, lower keel margins ciliate near claw.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

3 cm, coarsely pubescent.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

5–8.