Flora of North America species comparison

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

decumbent, ascending, or erect, 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;

stipules not leaflike, green to silvery, 5–17 mm;

petiole 2–6 cm;

leaflets 6–9, blades 20–50 × 3–7 mm, widest above middle, adaxial surface pubescent, appressed-hairy to ± silky or dull green.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

2–23 cm;

flowers spirally arranged to subwhorled.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–8 cm;

bracts deciduous, 2–8 mm.

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.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or minutely 3-toothed, 3–7 mm, adaxial lobe 2-toothed, 4–6.5 mm;

corolla pale yellowish to lavender or violet, banner patch yellow to white, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

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

2–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3–6, mottled brown, 4–6 mm.

= 48.