Flora of North America species comparison

erect or spreading, branched or unbranched.

ascending or erect, clustered, branched, short-silky.

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.

cauline;

stipules not leaflike, green to silvery, 5–17 mm;

petiole 2–5 cm;

leaflets 6–8, blades 20–80 × 2–7 mm, widest below middle, adaxial surface pubescent, hairs densely silver-silky to woolly.

16–60 cm;

flowers whorled or spirally arranged.

5–40 cm;

flowers ± whorled.

8–20 cm;

bracts deciduous, 8–12 mm.

2–8 cm;

bracts deciduous, 6–11 mm.

2–12 mm.

2–4 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.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 6–8 mm, adaxial lobe notched, 5–7 mm;

corolla lavender to blue, banner patch pale yellowish, banner usually glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

2–4.5 cm, ± densely hairy.

2–3 cm, pubescent.

deciduous, petiolate.

deciduous, petiolate.

6–10, mottled dark brown, 3–4 mm.

4–6, mottled olive brown, 5–6 mm.