Flora of North America species comparison

very short, tufted, branched.

erect or spreading, branched or unbranched.

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, 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.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

16–60 cm;

flowers whorled or spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

8–20 cm;

bracts deciduous, 8–12 mm.

0.3–1.5 mm.

2–12 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.

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.

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

2–4.5 cm, ± densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

6–10, mottled dark brown, 3–4 mm.