Flora of North America species comparison

erect or ascending, branched.

erect, unbranched or branched distally, hollow.

cauline;

stipules not leaflike, green to silvery, 3–15 mm;

petiole 2–6 cm;

leaflets 6–9, blades 20–60 × 5–10 mm, adaxial surface pubescent.

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.

open, 2–23 cm;

flowers ± whorled.

5–28 cm, usually exceeding leaves;

flowers dense.

1–8.5 cm;

bracts deciduous, 2–10 mm.

4–17 cm;

bracts persistent, 5–10 mm.

1.5–5 mm.

1–3 mm.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed, 3–8 mm, adaxial lobe 2-toothed, 5–7 mm;

corolla usually light blue or lavender to purple, rarely white, banner patch white turning purple, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

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.

2–4.5 cm, silky.

1.5–2 cm, hairy to woolly.

deciduous, petiolate.

deciduous, petiolate.

4–6, brown, mottled tan, 4–6 mm.

4–6, brown, mottled tan, 3–4 mm.