Flora of North America species comparison

erect, densely tufted, unbranched distally.

decumbent-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 not leaflike, green to silvery, 10–12 mm;

petiole 1–2 cm;

leaflets 6 or 7, blades 15–25 × 3–7 mm, adaxial surface pubescent.

6–20 cm;

flowers whorled or spirally arranged.

open, 4–20 cm;

flowers spirally arranged.

2.5–6 cm;

bracts tardily deciduous, 5–9 mm.

1–4 cm;

bracts semideciduous, 7–8 mm.

(2–)4–10 mm.

3–4 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.

12–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 6–8 mm, adaxial lobe 2-toothed, 6–8 mm;

corolla white, banner patch turning tawny, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

2–3 cm, pilose to silky.

2.5–3.5 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

4 or 5, pinkish brown.

4 or 5, mottled brown, 7–11 mm.