Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

decumbent, ascending, or erect, clustered, usually unbranched.

basal and cauline;

stipules not leaflike, green to silvery, 5–40 mm;

petiole 3–45 cm, basal long-petiolate and forming a basal tuft, cauline petioles shorter distally;

leaflets (5 or)6–12(–17), blades (10–)30–150 × 5–25 mm, adaxial surface hairy or glabrous.

cauline;

stipules 7–14 mm;

petiole 2–5 cm;

leaflets 6 or 7, blades 20–50 × 4–8 mm, adaxial surface hairs silvery-silky.

open, 6–40 cm;

flowers ± whorled.

dense, 3–7 cm;

flowers ± whorled.

3–13 cm;

bracts deciduous, 7–11 mm.

(1–)2–4(–5) cm;

bracts 3–4 mm.

(2–)3–15 mm.

2–5 mm.

9–15 mm;

calyx 4–8 mm, bulge or spur 0–1 mm, lobes entire;

corolla violet to lavender, pink, or white, banner patch yellow to white, sometimes turning red-purple, banner glabrous abaxially, keel upcurved, glabrous, ciliate, or ciliolate.

11–13 mm;

calyx 6–7 mm, bulge or spur 0–1 mm, abaxial lobe 3-toothed, adaxial lobe 2-toothed;

corolla blue to lilac, banner patch yellow, banner well reflexed-recurved at or proximal to midpoint, this 3.5–6 mm proximal to apex, banner broader than long, hairy abaxially, lower keel margins glabrous, adaxial margin ciliate.

2.5–5 × 0.7–1 cm, hairy.

2.5–4 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

3–9.

4–5, mottled brown, 3–4 mm.