Flora of North America species comparison

very short, tufted, branched.

ascending or erect, branched near middle.

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;

petioles 2–8 cm;

leaflets usually 7, blades bright green, 20–50 × 5–15 mm, adaxial surface sparsely pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

dense, 5–10 cm;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

8–18 cm;

bracts tardily deciduous, 3–5 mm.

0.3–1.5 mm.

1.5–4 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.

13–18 mm;

calyx abaxial lobe entire, 5–7 mm, adaxial lobe deeply cleft, 4–6 mm;

corolla banner yellow, wings usually pink, rarely white, keel white, lower and upper margins ciliate from claw to middle.

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

2 cm, glabrous or glabrate.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

usually 5.