Flora of North America species comparison

short, erect or spreading, branched or unbranched.

erect, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–8 cm;

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

cauline;

stipules 5–10 mm;

petiole 2–5 cm;

leaflets 7–9, blades 25–55 × 4–12 mm, adaxial surface pubescent.

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

flowers spirally arranged.

8–11 cm;

flowers spirally arranged to whorled.

3–5(–10 in fruit) cm;

bracts persistent, straight, 2–3 mm.

1–8 cm;

bracts deciduous, 3.5–5 mm.

1–3 mm.

3–6 mm.

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.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 4.5–7 mm, adaxial lobe 2-toothed, 3.5–6 mm;

corolla usually purple, sometimes pink or white, banner patch usually white, banner hairy abaxially, keel glabrous.

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

2–3 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2–4, ridged.

3 or 4, 5–6 mm.