Flora of North America species comparison

ascending or erect, branched or unbranched.

very short, densely tufted, branched.

cauline;

petiole flattened and leafletlike, 3–10 cm;

leaflets 5–8, blades 20–40 × 2–5 mm, apex usually truncate, adaxial surface 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.

6–35 cm;

flowers loosely spirally arranged.

flowers solitary or paired, axillary.

3–10 cm;

bracts persistent, 2–5 mm.

1.5–4 mm;

bracts persistent, 1 mm.

2–4 mm.

1 mm.

8–13 mm;

calyx 3–4 mm, lobes ± equal, abaxial lobe entire or shallowly cleft, 2.5–3 mm, adaxial lobe deeply cleft, 1.5–2 mm;

corolla banner and wings magenta, banner spot white or yellowish, becoming dark magenta, keel stout, blunt, lower and upper margins ciliate from claw to middle.

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.

±3 cm, pubescent.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

6–8.

1 or 2.