Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

decumbent, spreading, many branched.

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.

basal, clustered;

stipules 20–150 mm;

petiole 2.5–10 cm;

leaflet 1, blades 40–120 × 18–33 mm, adaxial surface densely sericeous or strigulose.

open, 6–40 cm;

flowers ± whorled.

8–30 cm;

flowers whorled.

3–13 cm;

bracts deciduous, 7–11 mm.

3–4 cm;

bracts deciduous, 4–8 mm.

(2–)3–15 mm.

1–4 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.

11–15 mm;

calyx abaxial lobe entire, 5–10 mm, adaxial lobe 3-fid with 2 linear laterals, 4–8 mm;

corolla light to deep blue, limb centrally white at base, banner spot white to cream, glabrous abaxially, keel glabrous.

2.5–5 × 0.7–1 cm, hairy.

3–5 cm, appressed villous to sericeous.

deciduous, petiolate.

deciduous, petiolate.

3–9.

4–7, gray mottled black, 4 mm.