Flora of North America species comparison

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

erect, 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 5–20 mm;

petiole 4–10 cm;

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

several–many-flowered, 3–14 cm;

flowers spirally arranged.

10–70 cm, rachis persistent;

flowers whorled or not.

1–10 cm;

bracts persistent, straight, 2–4 mm.

7–20 cm;

bracts deciduous, 8–9 mm.

1–4 mm.

4–6 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.

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.

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

3–5 cm, silky.

persistent, disclike, sessile.

2, wrinkled.

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

-ledons deciduous, petiolate.