Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

spreading-ascending, clustered, robust, branched or unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 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.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

4–25 cm;

flowers whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2.5–6.5 cm;

bracts deciduous, 4–7 mm.

1–4 mm.

4–6 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, 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.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

1.5–2.5 cm, villous.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

2–4.