Flora of North America species comparison

very short, tufted, branched.

acaulescent or prostrate to ± erect, unbranched or 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.

usually basal, sometimes cauline present;

stipules 3–25 mm;

petiole 2–13 cm;

leaflets 5–8, blades 5–40 × 3–7 mm, surfaces pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

dense, 3–20 cm, not exceeding to exserted beyond leaves;

flowers whorled, usually crowded.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

2–13 cm;

bracts usually persistent, 4–15 mm.

0.3–1.5 mm.

0.4–3 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.

6–13 mm;

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

corolla pink, violet, or blue, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate.

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

1–2 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

2–6, ± mottled tan or green to brown, 2–4 mm.