Flora of North America species comparison

erect, usually unbranched.

decumbent, spreading, many branched.

cauline (few and large) and basal (persistent until after anthesis);

stipules 11 mm;

petiole 5–20 cm;

leaflets (7–)9–11(or 12), blades 20–50(–80) × 5–12 mm, abaxial surface with long, appressed hairs, especially on margins and veins, adaxial surface usually glabrous.

basal, clustered;

stipules 20–150 mm;

petiole 2.5–10 cm;

leaflet 1, blades 40–120 × 18–33 mm, adaxial surface densely sericeous or strigulose.

loose, 11–40 cm;

flowers spirally arranged or whorled.

8–30 cm;

flowers whorled.

11–18 cm;

bracts deciduous, 5 mm.

3–4 cm;

bracts deciduous, 4–8 mm.

5–12 mm.

1–4 mm.

fragrant, 8–13 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 6 mm, adaxial lobe notched, 4–6 mm;

corolla blue to purple, yellowish, or creamy white, banner distinctly ruffled, markedly concave on lateral face, banner glabrous or sparsely pubescent abaxially, wings glabrous, keel curved upward, lower keel margins glabrous, adaxial margin glabrous.

11–15 mm;

calyx abaxial lobe entire, 5–10 mm, adaxial lobe 3-fid with 2 linear laterals, 4–8 mm;

corolla light to deep blue, limb centrally white at base, banner spot white to cream, glabrous abaxially, keel glabrous.

2–3 cm, glabrous.

3–5 cm, appressed villous to sericeous.

deciduous, petiolate.

deciduous, petiolate.

4 or 5.

4–7, gray mottled black, 4 mm.

= 48.