Flora of North America species comparison

± prostrate or ascending, branched.

erect or ascending, clustered, unbranched or branched distally, stout.

basal (clustered near base);

stipules 4–5 mm;

petiole 2–4.5 cm;

leaflets 6–8, blades 10–20 × 2–4 mm, adaxial surface pubescent.

cauline;

stipules 10–15 mm;

petiole 2–25 cm;

leaflets 8–11, blades (30–)60–120(–150) × 3–15 mm, abaxial surface silky, slightly less so abaxially.

2–7 cm;

flowers in few whorls, widely separated.

12–40 cm, loose to dense;

flowers whorled.

5–10 cm;

bracts usually deciduous, 4–5 mm.

4–10 cm;

bracts early deciduous to persistent, 10–18 mm.

2–4 mm.

4–12 mm.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe obscurely 3-toothed, 5–6 mm, adaxial lobe notched, 4–5 mm;

corolla ± violet, banner patch yellow, banner usually hairy abaxially, lower keel margins glabrous, adaxial margin ciliate.

(13–)15–18 mm;

calyx sometimes somewhat bulged and asymmetrical, abaxial lobe entire or notched, 7–8 mm, adaxial lobe shallowly notched, 6–7 mm;

corolla bright yellow, rarely pale purple, keel falcate, banner glabrous or hairy abaxially, upper keel margins densely ciliate.

2–3 cm, pilose.

3–4.5 cm, tomentose.

deciduous, petiolate.

deciduous, petiolate.

1 or 2.

4–7, pinkish brown to dull reddish brown, 6–7 mm.