Flora of North America species comparison

ascending-erect, clustered, branched.

very short, densely tufted, branched.

cauline;

stipules not leaflike, green to silvery, 5–18 mm;

petiole 2–7 cm;

leaflets 5–10, blades 20–70 × 5–14 mm, adaxial surface pubescent.

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, 10–44 cm;

flowers usually whorled.

flowers solitary or paired, axillary.

2–12 cm;

bracts deciduous, 6–16 mm.

1.5–4 mm;

bracts persistent, 1 mm.

2–7 mm.

1 mm.

(8–)12–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–13 mm, adaxial lobe 2-toothed, 6–12 mm;

corolla usually purple, rarely yellowish white, banner patch indistinct, banner glabrous abaxially, keel strongly upcurved, glabrous, banner and wings narrow, not covering tip.

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 cm, silky.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

3–7, gray to tan, mottled tan, 4–7 mm.

1 or 2.

= 48.