Flora of North America species comparison

very short, tufted, branched.

erect, ascending, or decumbent, branched.

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 and basal;

stipules 4–9 mm;

petiole 2–16 cm;

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

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

open, 3–18 cm;

flowers whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

2–5 cm;

bracts deciduous, 3–6 mm.

0.3–1.5 mm.

1–7 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.

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.

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

2–3 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–6, tan, 5–6 mm.