Flora of North America species comparison

ascending or erect, branched or unbranched.

erect, densely tufted, unbranched distally.

cauline;

petiole 1–7 cm;

leaflets 5–8, blades 10–40 × 1–5 mm, adaxial surface glabrous or sparsely pubescent.

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.

4–20 cm;

flowers usually in fewer than 5 whorls, sometimes spirally arranged.

6–20 cm;

flowers whorled or spirally arranged.

3–10 cm;

bracts deciduous, 4–6 mm.

2.5–6 cm;

bracts tardily deciduous, 5–9 mm.

1–3.5 mm.

(2–)4–10 mm.

4–10 mm;

calyx abaxial lobe entire, 4–6 mm, adaxial lobe deeply cleft, 2–4 mm;

corolla usually blue, rarely light blue, pink, or white, banner spot white, becoming magenta, upper keel margins usually ciliate near apex, rarely glabrous, sometimes blunt, banner longer than wide.

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.

1–3 × 0.3–0.6 cm, pubescent.

2–3 cm, pilose to silky.

deciduous, petiolate.

deciduous, petiolate.

5–8.

4 or 5, pinkish brown.

= 48.