Flora of North America species comparison

erect or spreading, branched or unbranched.

very short, tufted, 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 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous.

16–60 cm;

flowers whorled or spirally arranged.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

8–20 cm;

bracts deciduous, 8–12 mm.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

2–12 mm.

0.3–1.5 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.

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.

2–4.5 cm, ± densely hairy.

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

deciduous, petiolate.

persistent, disclike, sessile.

6–10, mottled dark brown, 3–4 mm.

1 or 2, smooth.