Flora of North America species comparison

erect, ascending, or decumbent, branched.

very short, tufted, branched.

cauline and basal;

stipules 4–9 mm;

petiole 2–16 cm;

leaflets 7–10(–13), blades 20–70 × 3–15 mm, adaxial surface strigose.

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.

open, 3–18 cm;

flowers whorled.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

2–5 cm;

bracts deciduous, 3–6 mm.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

1–7 mm.

0.3–1.5 mm.

8–14 mm;

calyx spur distinct, 1–3 mm, abaxial lobe 3-toothed, 2.5–5 mm, 1–3 mm, adaxial lobe 2-toothed, 2–4 mm;

corolla blue, purple, pink, white, or yellowish, banner patch white, yellowish, or absent, banner hairy abaxially, wings with dense hair patch outside near tip, lower keel margins glabrous, adaxial margin ciliate.

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.

2–3 cm, silky.

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

deciduous, petiolate.

persistent, disclike, sessile.

3–6, tan, 5–6 mm.

1 or 2, smooth.