Flora of North America species comparison

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

erect, branched at base, hairs 1–3 mm, sharp, stiff.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

usually basal;

stipules 10–24 mm;

petiole 6–30 cm;

leaflets 5–9, blades 20–55 × 6–15 mm, adaxial surface densely woolly.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

10–45 cm;

flowers whorled or not.

1–10 cm;

bracts persistent, straight, 2–4 mm.

10–50 cm;

bracts deciduous, 4–5 mm.

1–4 mm.

2–8 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.

fragrant, 10–18 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–11 mm, adaxial lobe, 2-toothed, 5–9 mm;

corolla lavender to rose, banner patch yellow turning purple, banner glabrous 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.

3–7 cm, densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

5–8, tan, 3–4 mm.