Flora of North America species comparison

erect or spreading, branched or unbranched.

prostrate, branched, base ± woody.

cauline, basal when present withered by anthesis;

stipules 5–10 mm;

petiole 4–20 cm;

leaflets 5–11, blades 40–100 × 6–24 mm, abaxial surface ± hairy, adaxial surface glabrous or hairy.

cauline, clustered near base;

stipules 2–5 mm;

petiole 1–5(–6) cm;

leaflets 5–10, blades 3–20 × 2–6 mm, adaxial surface pubescent.

16–60 cm;

flowers whorled or spirally arranged.

dense, 1–10 cm;

flowers whorled.

8–20 cm;

bracts deciduous, 8–12 mm.

1–3(–8) cm;

bracts deciduous, 3–5 mm.

2–12 mm.

1–3(–4) mm.

8–18 mm;

calyx abaxial lobe entire or notched, 4–8 mm, adaxial lobe entire or 2-toothed, 5–10 mm;

corolla blue or purple to white, banner patch usually white to yellowish turning purple, banner glabrous abaxially, lower keel margins usually ciliate, adaxial margin ciliate from claw to middle.

4–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 4–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla blue to violet, banner patch white or yellow, banner glabrous or densely hairy abaxially, keel straight, abaxial margins glabrous, adaxial margin glabrous or ciliate.

2–4.5 cm, ± densely hairy.

1–2 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

6–10, mottled dark brown, 3–4 mm.

3 or 4, mottled tan, brown, 3–4 mm.