Flora of North America species comparison

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

erect or ascending, clustered, unbranched or branched.

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 not leaflike, green to silvery, 4–10 mm;

petiole 2–8 cm;

leaflets 5–9, blades 30–60 × 3–10 mm, adaxial surface pubescent or glabrous.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

6–28 cm;

flowers whorled or not.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–6 cm;

bracts tardily deciduous, 2–7 mm.

1–4 mm.

3–6 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.

12–15 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed, 6–7 mm, adaxial lobe 2-toothed, 4–6 mm;

corolla bright yellow to orange-yellow, banner usually glabrous abaxially, sparsely hairy on ridge, keel upcurved, glabrous.

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

2–3.5 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–5, mottled tan, 6–8 mm.