Flora of North America species comparison

very short, tufted, branched.

erect, tufted, 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.

basal and cauline;

stipules 8–10 mm;

basal petioles to 14 cm, cauline to 4 cm;

leaflets 6–10, blades 20–50 × 4–6 mm, adaxial surface pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

5–17 cm;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

3–6 cm;

bracts deciduous, 4–5 mm.

0.3–1.5 mm.

4–8 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.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 4–5 mm, adaxial lobe 2-toothed, 3–4 mm;

corolla blue, banner patch white to yellowish, banner glabrous abaxially, keel strongly upcurved, lower keel margins glabrous, adaxial margin ciliate.

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

2.5–4 cm, densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–4.