Flora of North America species comparison

very short, tufted, branched.

prostrate, branched, base ± woody.

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, clustered near base;

stipules 2–5 mm;

petiole 1–5(–6) cm;

leaflets 5–10, blades 3–20 × 2–6 mm, adaxial surface pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

dense, 1–10 cm;

flowers whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

1–3(–8) cm;

bracts deciduous, 3–5 mm.

0.3–1.5 mm.

1–3(–4) 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.

4–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 4–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla blue to violet, banner patch white or yellow, banner glabrous or densely hairy abaxially, keel straight, abaxial margins glabrous, adaxial margin glabrous or ciliate.

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

1–2 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3 or 4, mottled tan, brown, 3–4 mm.