Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

decumbent-erect, 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.

cauline;

stipules not leaflike, green to silvery, 10–12 mm;

petiole 1–2 cm;

leaflets 6 or 7, blades 15–25 × 3–7 mm, adaxial surface pubescent.

open, 6–40 cm;

flowers ± whorled.

open, 4–20 cm;

flowers spirally arranged.

3–13 cm;

bracts deciduous, 7–11 mm.

1–4 cm;

bracts semideciduous, 7–8 mm.

(2–)3–15 mm.

3–4 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.

12–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 6–8 mm, adaxial lobe 2-toothed, 6–8 mm;

corolla white, banner patch turning tawny, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

2.5–5 × 0.7–1 cm, hairy.

2.5–3.5 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

3–9.

4 or 5, mottled brown, 7–11 mm.