Flora of North America species comparison

erect, tufted, unbranched, stout, usually hollow.

very short, densely tufted, 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, densely tufted or crowded near base;

free blades of stipules reduced, 1 mm;

petiole 0.4–1.5 cm;

leaflets (3 or)5, blades 2–7 × 1–1.5 mm, adaxial surface villous.

open, 6–40 cm;

flowers ± whorled.

flowers solitary or paired, axillary.

3–13 cm;

bracts deciduous, 7–11 mm.

1.5–4 mm;

bracts persistent, 1 mm.

(2–)3–15 mm.

1 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.

4–5 mm;

calyx 2.5–3 mm, abaxial lobe shallowly cleft, 2–2.5 mm, adaxial lobe 2-toothed, 0.5–1 mm;

corolla banner white, wings and keel purplish, keel glabrous.

2.5–5 × 0.7–1 cm, hairy.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

3–9.

1 or 2.