Flora of North America species comparison

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

erect, branched.

cauline;

petiole 3–15 cm;

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

basal;

stipules 6–11 mm;

petiole (2–)3–6(–8) cm;

leaflets 5–8, blades 5–20 × 5–8 mm, adaxial surface pubescent.

4–60 cm;

flowers in crowded to widely spaced whorls.

crowded, 2–6 cm;

flowers whorled.

2–30 cm;

bracts persistent, reflexed, 3.5–12 mm.

3–7 cm;

bracts ± deciduous, 4–5 mm.

0.5–5 mm.

(2–)4–5 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.

8–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe ± entire, 6–7 mm, adaxial lobe deeply 2-toothed, 5–7 mm;

corolla violet, banner patch cream or white, keel ± straight, banner glabrous abaxially, lower keel margins glabrous, adaxial margin usually glabrous.

1–1.8 cm, pubescent.

1–2 cm, appressed-villous.

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

deciduous, petiolate.

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

3–5, white.