Flora of North America species comparison

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

ascending, tufted, or erect, branched or unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

cauline;

petiole 2–7 cm, spreading-pubescent;

leaflets 5–9, blades 10–30 × 1.5–8 mm, surfaces pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

1–18 cm;

flowers spirally arranged, solitary axillary flowers also sometimes present.

1–10 cm;

bracts persistent, straight, 2–4 mm.

erect, 2–8 cm;

bracts persistent, straight, 2.5–4 mm.

1–4 mm.

0.7–2 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.

5–12 mm;

calyx 3–5 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla usually pink to purple, rarely white, banner spot white or yellowish, keel usually glabrous, rarely with few, minute cilia on lower margins.

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

1–1.5 cm, pubescent.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–5.

= 48.