Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

prostrate to decumbent, clustered, acaulescent or short-spreading and 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.

mostly near base, in a rosette;

stipules 4–10 mm;

petiole 1–9 cm;

leaflets 5–7(or 8), blades 10–55 × 4–12 mm, adaxial surface greenish, surfaces copiously villous-hirsute with long, spreading hairs, abaxially more dense.

open, 6–40 cm;

flowers ± whorled.

6–23 cm;

flowers spirally arranged.

3–13 cm;

bracts deciduous, 7–11 mm.

3–4.5 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.

7–13 mm;

calyx bulge or spur 0–1 mm, lobes entire, 5–7.5 mm;

corolla violet-blue, banner yellow toward center, tip of keel purple, wings yellow toward center, banner glabrous abaxially, upper keel margins ciliate to densely ciliate.

2.5–5 × 0.7–1 cm, hairy.

1.5–2 cm, hispid.

deciduous, petiolate.

deciduous, petiolate.

3–9.

3–5, dark with light spots.