Flora of North America species comparison

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

erect, 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, some clustered at base;

stipules 6–15 mm;

petiole 3–20 cm;

leaflets 6–11, blades 30–90 × 6–19 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

8–30 cm;

flowers dense, spiciform.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–8 cm;

bracts usually persistent, 3–12 mm.

1–4 mm.

stout, 1–2 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.

10–13 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 3–8 mm, adaxial lobe 2-toothed, 3–6 mm;

corolla lavender or purple to yellowish, often turning brown, banner patch yellow to brown, banner not much reflexed-recurved beyond midpoint, this less than 3 mm proximal to apex, banner densely hairy abaxially, lower keel margins glabrous, adaxial margin ciliate throughout.

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

2–3.6 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–6, mottled gray-tan.

= 24, 48.