Flora of North America species comparison

erect, densely tufted, unbranched distally.

ascending or erect, branched.

basal and cauline, persisting until after flowering;

stipules 4–8 mm;

proximal petioles 4–20 cm, distal ones 1.5–5 cm;

leaflets 6–15, blades white to greenish, (20–)25–70 × 4–10 mm, abaxial surface hairy-strigulose or sericeous, adaxial surface strigulose-silky to sparsely hairy or glabrous.

cauline;

stipules 6–16 mm;

petiole 1–3 cm;

leaflets 6–9, blades 20–45 × 3–8 mm, adaxial surface tomentose, hairs silvery.

6–20 cm;

flowers whorled or spirally arranged.

5–16 cm;

flowers ± whorled.

2.5–6 cm;

bracts tardily deciduous, 5–9 mm.

2–5 cm;

bracts deciduous, 5–9 mm.

(2–)4–10 mm.

2–5.5 mm.

8–12 mm;

calyx asymmetrical but not spurred, silky, abaxial lobe entire, 4–7 mm, adaxial lobe 2-fid, 3–5 mm;

corolla pale sulfur yellow, blue, or white, banner glabrous or sparsely hairy abaxially (pubescence extending above calyx as a line), upper keel margins usually ciliate most of length, sometimes glabrous.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 3–7 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla usually yellow, banner hairy abaxially, keel ± glabrous.

2–3 cm, pilose to silky.

2–3 cm, strigose.

deciduous, petiolate.

deciduous, petiolate.

4 or 5, pinkish brown.

3–5, tan, 3–5 mm.