Flora of North America species comparison

erect or spreading, branched or unbranched.

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

cauline, basal when present withered by anthesis;

stipules 5–10 mm;

petiole 4–20 cm;

leaflets 5–11, blades 40–100 × 6–24 mm, abaxial surface ± hairy, adaxial surface glabrous or hairy.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

16–60 cm;

flowers whorled or spirally arranged.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

8–20 cm;

bracts deciduous, 8–12 mm.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–12 mm.

1–4 mm.

8–18 mm;

calyx abaxial lobe entire or notched, 4–8 mm, adaxial lobe entire or 2-toothed, 5–10 mm;

corolla blue or purple to white, banner patch usually white to yellowish turning purple, banner glabrous abaxially, lower keel margins usually ciliate, adaxial margin ciliate from claw to middle.

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.

2–4.5 cm, ± densely hairy.

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

deciduous, petiolate.

persistent, disclike, sessile.

6–10, mottled dark brown, 3–4 mm.

2, wrinkled.