Flora of North America species comparison

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

erect, branched distally, emerging from ground stout, red.

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 6–20 mm;

petiole 1–7 cm;

leaflets 6–8(–10), blades (15–)38–61 × 8–13 mm, adaxial surface green, ± puberulent to short-villous.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

15–20 cm;

flowers not whorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

3–9 cm;

bracts ± persistent, 7–14 mm (conspicuously longer than buds).

1–4 mm.

2–6 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.

8–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 6–10 mm, adaxial lobe notched, 7–9 mm;

corolla pale yellow, banner glabrous abaxially, 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.

2.5–5 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–6.