Flora of North America species comparison

very short, tufted, branched.

erect, 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 5–20 mm;

petiole 4–10 cm;

leaflets 7–9, blades 5–50 × 4–7 mm, adaxial surface densely pubescent, silver-hairy.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

10–70 cm, rachis persistent;

flowers whorled or not.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

7–20 cm;

bracts deciduous, 8–9 mm.

0.3–1.5 mm.

4–6 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.

with distinctive sweet smell, 10–13 mm;

calyx 6–8 mm, bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, adaxial lobe deeply notched;

corolla violet to lavender, banner patch bright yellow, turning purple, banner usually hairy abaxially, keel usually ± lobed proximally, abaxial margins glabrous, adaxial margin ciliate middle to tip.

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

3–5 cm, silky.

persistent, disclike, sessile.

1 or 2, smooth.

5–8, mottled yellow-brown with lateral lines.

-ledons deciduous, petiolate.