Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

erect, often hollow, coarse.

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.

(5–)7–11, largest blade 35–100 mm, surfaces abaxially sometimes sparsely hairy, adaxially glabrous.

open, 6–40 cm;

flowers ± whorled.

3–13 cm;

bracts deciduous, 7–11 mm.

(2–)3–15 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.

upper keel margins glabrous, rarely ciliolate.

2.5–5 × 0.7–1 cm, hairy.

deciduous, petiolate.

3–9.

= 48.