Flora of North America species comparison

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

erect or slightly spreading, clustered, unbranched or branched distally.

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 10–15 mm;

proximal petioles (3–)5–14 cm, distal ones (1–)2–4 cm;

leaflets 5–8, blades 35–80 × 2–5 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

6–20 cm;

flowers in 4–8 distinct whorls.

1–10 cm;

bracts persistent, straight, 2–4 mm.

6–12 cm;

bracts semideciduous, 4–10 mm.

1–4 mm.

2–4 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.

8–18 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed or entire, 5–7 mm, adaxial lobe 2-toothed, 7 mm;

corolla blue, banner patch white to yellowish, banner glabrous abaxially, lower keel margins glabrous, adaxial keel sparsely ciliate.

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, densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

6–8.