Flora of North America species comparison

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

erect, unbranched or branched distally, hollow.

cauline;

petiole 3–15 cm;

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

basal and cauline, green;

stipules 5–20 mm;

basal petioles 10–25 cm, cauline 1–4 cm;

leaflets 5–10, blades 30–80(–130) × 5–8 mm, adaxial surface strigose, hairs less than 1 mm.

4–60 cm;

flowers in crowded to widely spaced whorls.

5–28 cm, usually exceeding leaves;

flowers dense.

2–30 cm;

bracts persistent, reflexed, 3.5–12 mm.

4–17 cm;

bracts persistent, 5–10 mm.

0.5–5 mm.

1–3 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.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla violet to dark blue, banner patch orange to red, banner usually glabrous abaxially, rarely hairy, lower keel margins glabrous, adaxial margin densely ciliate.

1–1.8 cm, pubescent.

1.5–2 cm, hairy to woolly.

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

deciduous, petiolate.

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

4–6, brown, mottled tan, 3–4 mm.