Flora of North America species comparison

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

decumbent or erect, branched just above ground, hairs less than 1 mm, not sharp or stiff.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline, clustered at base;

stipules 7–12 mm;

petiole 5–12 cm;

leaflets 5–9, blades 15–40 × 5–12 mm, adaxial surface densely tomentose to woolly, hairs ± spreading.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

10–40 cm;

flowers ± whorled or not.

1–10 cm;

bracts persistent, straight, 2–4 mm.

stout, 6–10 cm;

bracts deciduous, 7–8 mm.

1–4 mm.

2–5 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.

10–15 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 6–8 mm, adaxial lobe deeply notched, 6–7 mm;

corolla bluish to purple, banner patch yellow turning purple to white, banner well reflexed-recurved at or proximal to midpoint, this 3.5–6 mm proximal to apex, banner glabrous or ± hairy abaxially, lower keel margins glabrous, adaxial margin ciliate middle to tip.

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

2–3 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3 or 4, mottled grayish, 4–7 mm.