Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

erect, densely tufted, unbranched distally.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

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.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

6–20 cm;

flowers whorled or spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2.5–6 cm;

bracts tardily deciduous, 5–9 mm.

1–4 mm.

(2–)4–10 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

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.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

2–3 cm, pilose to silky.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

4 or 5, pinkish brown.