Flora of North America species comparison

erect, unbranched or branched distally, hollow.

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

basal and cauline, green;

stipules 5–20 mm;

basal petioles 10–25 cm, cauline 1–4 cm;

leaflets 5–10, blades 30–80(–130) × 5–8 mm, adaxial surface strigose, hairs less than 1 mm.

cauline, often crowded near base;

stipules well developed;

petiole 1–9 cm;

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

5–28 cm, usually exceeding leaves;

flowers dense.

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

flowers spirally arranged.

4–17 cm;

bracts persistent, 5–10 mm.

0–3.5 cm;

bracts persistent, straight, 2–5 mm.

1–3 mm.

1–3.5 mm.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla violet to dark blue, banner patch orange to red, banner usually glabrous abaxially, rarely hairy, lower keel margins glabrous, adaxial margin densely ciliate.

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.

1.5–2 cm, hairy to woolly.

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

deciduous, petiolate.

persistent, disclike, sessile.

4–6, brown, mottled tan, 3–4 mm.

2, wrinkled or ridged.