Flora of North America species comparison

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

ascending or erect, branched or unbranched.

cauline;

petiole 3–15 cm;

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

cauline;

petiole 2–8.5 cm;

leaflets 5–7(–9), blades 10–40 × 1–12 mm, adaxial surface pubescent.

4–60 cm;

flowers in crowded to widely spaced whorls.

4–40 cm;

flowers usually whorled, sometimes spirally arranged distally.

2–30 cm;

bracts persistent, reflexed, 3.5–12 mm.

2–15 cm;

bracts deciduous, 4–12 mm.

0.5–5 mm.

2.5–7 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.

6–15 mm;

calyx 4–8 mm, lobes ± equal, adaxial lobe deeply cleft;

corolla usually blue, rarely light blue, lavender, pink, white, banner spot white, upper keel margins ciliate near apex, banner as wide as or wider than long.

1–1.8 cm, pubescent.

2–4 × 0.4–0.7 cm, pubescent.

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

deciduous, petiolate.

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

4–12.

= 48.