Flora of North America species comparison

short and tufted or erect, branched from base or near middle.

erect, clustered, unbranched or branched.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

leaflets 5–9, blades 10–40 × 5–10 mm, adaxial surface glabrous.

cauline, yellow-green;

stipules 12–30 mm;

proximal petioles 5–10 cm, distal ones 2 cm;

leaflets 4–9, blades 30–110 × 5–11 mm, adaxial surface villous, hairs greater than 1 mm.

8–12-flowered, 2–11 cm, shorter than or slightly exceeding foliage;

flowers spirally arranged.

2–6 cm, usually exceeding leaves;

flowers spirally arranged or whorled.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

2–6 cm;

bracts persistent, 7–15 mm.

1–3.5 mm.

2–5 mm.

5–12 mm;

calyx abaxial lobe entire, 5–6 mm, adaxial lobe cleft, 2.5–4 mm;

corolla vivid blue, sometimes paler or white, sometimes bicolored, banner spot white or yellowish, keel glabrous.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 6–11 mm, adaxial lobe 2-toothed, 6–8 mm;

corolla light blue, banner patch yellow, banner glabrous abaxially, lower keel margins glabrous, adaxial margin sparsely ciliate ± middle to tip.

1.5 cm, constricted between seeds, thinly pilose to coarsely hirsute.

2.5–4 cm, woolly.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled or ridged.

4–6, beige, mottled dark, 3–4 mm.