Flora of North America species comparison

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

erect or ascending, branched.

cauline;

petiole 3–15 cm;

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

cauline;

stipules 8–10 mm;

petiole 1–3.5 cm;

leaflets 5–9, blades 10–25 × 3–6 mm, adaxial surface pubescent.

4–60 cm;

flowers in crowded to widely spaced whorls.

5–20 cm;

flowers ± whorled.

2–30 cm;

bracts persistent, reflexed, 3.5–12 mm.

2–6 cm;

bracts deciduous, 7–10 mm.

0.5–5 mm.

4–8 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.

8–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 7–9 mm, adaxial lip deeply lobed, 5–7 mm;

corolla light violet to blue, banner patch persistently yellow, banner densely hairy abaxially, lower keel margins ± ciliate, adaxial margins glabrous.

1–1.8 cm, pubescent.

2.5–3.5 cm, hairy.

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

deciduous, petiolate.

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

4–8, mottled brown, 4–5 mm.