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, yellow-green;

stipules 12–30 mm;

proximal petioles 5–10 cm, distal ones 2 cm;

leaflets 4–9, blades 30–110 × 5–11 mm, adaxial surface villous, hairs greater than 1 mm.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

2–6 cm, usually exceeding leaves;

flowers spirally arranged or whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–6 cm;

bracts persistent, 7–15 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.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 6–11 mm, adaxial lobe 2-toothed, 6–8 mm;

corolla light blue, banner patch yellow, banner glabrous abaxially, lower keel margins glabrous, adaxial margin sparsely 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.

2.5–4 cm, woolly.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

4–6, beige, mottled dark, 3–4 mm.