Flora of North America species comparison

very short, tufted, branched.

spreading-ascending, clustered, robust, branched or 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 abortive or early deciduous (occurring only on very new growth), 9–15 mm;

petiole 2–3.5 cm;

leaflet 1, blades 30–70 × 15–25 mm, surfaces short-appressed, velvety to satiny sericeous.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

4–25 cm;

flowers whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

2.5–6.5 cm;

bracts deciduous, 4–7 mm.

0.3–1.5 mm.

4–6 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.

11–14 mm;

calyx abaxial lobe ovate, 2-lobed, 8–12 mm, adaxial lobe lanceolate, entire or obscurely 3-lobed, 5–10 mm;

corolla pink or rose to blue, banner spot maroon to dark blue, banner glabrous abaxially, keel glabrous.

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

1.5–2.5 cm, villous.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

2–4.