Flora of North America species comparison

very short, tufted, branched.

short, erect or spreading, branched or 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, crowded near base;

stipules well developed;

petiole 2–8 cm;

leaflets 7–9, blades 10–20 × 5–8 mm, adaxial surface glabrous.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

elongate, dense, several–many-flowered, 2–12 cm, usually exceeding leaves;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

3–5(–10 in fruit) cm;

bracts persistent, straight, 2–3 mm.

0.3–1.5 mm.

1–3 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.

7–10 mm;

calyx abaxial lobe shallowly cleft, 4–5 mm, adaxial lobe deeply cleft, 1–3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot yellow, keel blunt, glabrous.

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

not obviously undulate, ovoid, often secund, 0.5–1 cm, adaxial margin not constricted between seeds, thinly pilose to coarsely hirsute.

persistent, disclike, sessile.

persistent, disclike, sessile.

1 or 2, smooth.

2–4, ridged.