Flora of North America species comparison

erect or spreading, branched or unbranched.

very short, densely tufted, branched.

cauline, basal when present withered by anthesis;

stipules 5–10 mm;

petiole 4–20 cm;

leaflets 5–11, blades 40–100 × 6–24 mm, abaxial surface ± hairy, adaxial surface glabrous or hairy.

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.

16–60 cm;

flowers whorled or spirally arranged.

flowers solitary or paired, axillary.

8–20 cm;

bracts deciduous, 8–12 mm.

1.5–4 mm;

bracts persistent, 1 mm.

2–12 mm.

1 mm.

8–18 mm;

calyx abaxial lobe entire or notched, 4–8 mm, adaxial lobe entire or 2-toothed, 5–10 mm;

corolla blue or purple to white, banner patch usually white to yellowish turning purple, banner glabrous abaxially, lower keel margins usually ciliate, adaxial margin 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.

2–4.5 cm, ± densely hairy.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

6–10, mottled dark brown, 3–4 mm.

1 or 2.