Flora of North America species comparison

very short, tufted, branched.

decumbent, ascending, or erect, clustered, usually 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;

stipules 7–14 mm;

petiole 2–5 cm;

leaflets 6 or 7, blades 20–50 × 4–8 mm, adaxial surface hairs silvery-silky.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

dense, 3–7 cm;

flowers ± whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

(1–)2–4(–5) cm;

bracts 3–4 mm.

0.3–1.5 mm.

2–5 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.

11–13 mm;

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

corolla blue to lilac, banner patch yellow, banner well reflexed-recurved at or proximal to midpoint, this 3.5–6 mm proximal to apex, banner broader than long, hairy abaxially, lower keel margins glabrous, adaxial margin ciliate.

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

2.5–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

4–5, mottled brown, 3–4 mm.