Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

erect, usually branched, sometimes 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;

petiole 3–7 cm;

leaflets 7–9, blades 20–50 × 3–5 mm, adaxial surface sparsely pubescent.

open, 6–40 cm;

flowers ± whorled.

10–25 cm;

flowers usually whorled, sometimes spirally arranged.

3–13 cm;

bracts deciduous, 7–11 mm.

5–8 cm;

bracts deciduous, 8–10 mm.

(2–)3–15 mm.

4–5 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.

10–12 mm;

calyx 6–10 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla blue, banner spot white, upper keel margins with few cilia near apex, banner as wide as long or wider.

2.5–5 × 0.7–1 cm, hairy.

3–6 × 0.8–1 cm, densely pubescent.

deciduous, petiolate.

deciduous, petiolate.

3–9.

6–8.