Flora of North America species comparison

erect or spreading, branched or unbranched.

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

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;

petiole 3–15 cm;

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

16–60 cm;

flowers whorled or spirally arranged.

4–60 cm;

flowers in crowded to widely spaced whorls.

8–20 cm;

bracts deciduous, 8–12 mm.

2–30 cm;

bracts persistent, reflexed, 3.5–12 mm.

2–12 mm.

0.5–5 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.

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.

2–4.5 cm, ± densely hairy.

1–1.8 cm, pubescent.

deciduous, petiolate.

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

6–10, mottled dark brown, 3–4 mm.

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