Flora of North America species comparison

very short, tufted, branched.

erect, unbranched or branched distally.

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, 5–16 mm;

petiole 3–6 cm;

leaflets 7–12, blades 30–80 × 4–8 mm, adaxial surface sparsely pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

4–22 cm;

flowers ± whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

3–12 cm;

bracts deciduous, 5–9 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.

13–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–11 mm, adaxial lobe 2-toothed, 6–10 mm;

corolla light blue to purple, banner patch yellowish to white, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

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

3–4 cm, silky.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–7, beige, speckled brown, 4–6 mm.