Flora of North America species comparison

erect, densely tufted, unbranched distally.

erect, usually branched, sometimes unbranched.

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;

petiole 3–7 cm;

leaflets 7–9, blades 20–50 × 3–5 mm, adaxial surface sparsely pubescent.

6–20 cm;

flowers whorled or spirally arranged.

10–25 cm;

flowers usually whorled, sometimes spirally arranged.

2.5–6 cm;

bracts tardily deciduous, 5–9 mm.

5–8 cm;

bracts deciduous, 8–10 mm.

(2–)4–10 mm.

4–5 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.

10–12 mm;

calyx 6–10 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla blue, banner spot white, upper keel margins with few cilia near apex, banner as wide as long or wider.

2–3 cm, pilose to silky.

3–6 × 0.8–1 cm, densely pubescent.

deciduous, petiolate.

deciduous, petiolate.

4 or 5, pinkish brown.

6–8.