Flora of North America species comparison

erect, unbranched or branched distally, hollow.

ascending or erect, usually branched, sometimes unbranched.

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;

stipules well developed;

petiole 1.3–3.3 cm;

leaflets (3 or)4–7, blades 7–20(–24) × 3–5 mm, adaxial surface pubescent.

5–28 cm, usually exceeding leaves;

flowers dense.

dense, several-flowered, 1–3 cm;

flowers spirally arranged.

4–17 cm;

bracts persistent, 5–10 mm.

(1–)3–6 cm;

bracts persistent, 3–4 mm.

1–3 mm.

0.8–2 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.

5–9 mm;

calyx 7–8 mm, adaxial lobe more than 1/2 as long as abaxial;

corolla usually blue with pale banner patch, sometimes entirely white, keel glabrous.

1.5–2 cm, hairy to woolly.

not obviously undulate, 0.9–1.3 cm, sparsely or densely pilose.

deciduous, petiolate.

persistent on young plants, becoming dry and deciduous, sessile.

4–6, brown, mottled tan, 3–4 mm.

2.