Flora of North America species comparison

very short, tufted, branched.

erect, 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.

basal;

stipules 6–11 mm;

petiole (2–)3–6(–8) cm;

leaflets 5–8, blades 5–20 × 5–8 mm, adaxial surface pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

crowded, 2–6 cm;

flowers whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

3–7 cm;

bracts ± deciduous, 4–5 mm.

0.3–1.5 mm.

(2–)4–5 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.

8–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe ± entire, 6–7 mm, adaxial lobe deeply 2-toothed, 5–7 mm;

corolla violet, banner patch cream or white, keel ± straight, banner glabrous abaxially, lower keel margins glabrous, adaxial margin usually glabrous.

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

1–2 cm, appressed-villous.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–5, white.