Flora of North America species comparison

erect or spreading, branched or unbranched.

erect, unbranched or branched distally, hollow.

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.

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.

16–60 cm;

flowers whorled or spirally arranged.

5–28 cm, usually exceeding leaves;

flowers dense.

8–20 cm;

bracts deciduous, 8–12 mm.

4–17 cm;

bracts persistent, 5–10 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.

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, ± densely hairy.

1.5–2 cm, hairy to woolly.

deciduous, petiolate.

deciduous, petiolate.

6–10, mottled dark brown, 3–4 mm.

4–6, brown, mottled tan, 3–4 mm.