Flora of North America species comparison

erect or spreading, branched or unbranched.

short, erect or spreading, branched or unbranched.

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 2–8 cm;

leaflets 7–9, blades 10–20 × 5–8 mm, adaxial surface glabrous.

16–60 cm;

flowers whorled or spirally arranged.

elongate, dense, several–many-flowered, 2–12 cm, usually exceeding leaves;

flowers spirally arranged.

8–20 cm;

bracts deciduous, 8–12 mm.

3–5(–10 in fruit) cm;

bracts persistent, straight, 2–3 mm.

2–12 mm.

1–3 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.

7–10 mm;

calyx abaxial lobe shallowly cleft, 4–5 mm, adaxial lobe deeply cleft, 1–3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot yellow, keel blunt, glabrous.

2–4.5 cm, ± densely hairy.

not obviously undulate, ovoid, often secund, 0.5–1 cm, adaxial margin not constricted between seeds, thinly pilose to coarsely hirsute.

deciduous, petiolate.

persistent, disclike, sessile.

6–10, mottled dark brown, 3–4 mm.

2–4, ridged.