Flora of North America species comparison

ascending or erect, branched near base or middle, or unbranched, hollow, at least near base.

acaulescent or prostrate to ± erect, unbranched or branched.

cauline;

petiole 3–15 cm;

leaflets 5–9(–11), blades 10–50 × 2–12 mm, adaxial surface glabrous.

usually basal, sometimes cauline present;

stipules 3–25 mm;

petiole 2–13 cm;

leaflets 5–8, blades 5–40 × 3–7 mm, surfaces pubescent.

4–60 cm;

flowers in crowded to widely spaced whorls.

dense, 3–20 cm, not exceeding to exserted beyond leaves;

flowers whorled, usually crowded.

2–30 cm;

bracts persistent, reflexed, 3.5–12 mm.

2–13 cm;

bracts usually persistent, 4–15 mm.

0.5–5 mm.

0.4–3 mm.

8–18 mm;

calyx appendages usually absent, sometimes present, abaxial lobe 5–11 mm, adaxial lobe 2–6 mm;

corolla white to dark yellow, pink to dark rose, or lavender to purple, lower wing margins sometimes ciliate, upper margins usually ciliate near claw, upper keel margins usually ciliate near claw, lower margins sometimes ciliate but not as densely.

6–13 mm;

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

corolla pink, violet, or blue, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate.

1–1.8 cm, pubescent.

1–2 cm, hairy.

persistent or deciduous (leaving circular scar), disclike, sessile.

deciduous, petiolate.

2, tan to brown, usually mottled, ridged or smooth.

2–6, ± mottled tan or green to brown, 2–4 mm.