Flora of North America species comparison

very short, tufted, branched.

decumbent, ascending, or erect, unbranched or branched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 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.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

2–23 cm;

flowers spirally arranged to subwhorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

2–8 cm;

bracts deciduous, 2–8 mm.

0.3–1.5 mm.

2–6 mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel 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.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

2–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–6, mottled brown, 4–6 mm.

= 48.