Flora of North America species comparison

ascending or erect, branched or unbranched.

ascending to erect, clustered, unbranched or branched, sometimes thick, hollow.

cauline;

petiole flattened and leafletlike, 3–10 cm;

leaflets 5–8, blades 20–40 × 2–5 mm, apex usually truncate, adaxial surface glabrous.

cauline;

stipules 1–8 cm;

proximal petioles 3–8.5 cm, distal ones 2–7 cm;

leaflets 5–8(–15), blades (10–)20–50(–70) × 5–15 mm, abaxial surface long-villous, adaxial surface usually glabrous or glabrate.

6–35 cm;

flowers loosely spirally arranged.

1.8–30 cm;

flowers in 1–15 whorls.

3–10 cm;

bracts persistent, 2–5 mm.

(1–)4–9.5 cm;

bracts deciduous, 1–5 mm.

2–4 mm.

1–8 cm.

8–13 mm;

calyx 3–4 mm, lobes ± equal, abaxial lobe entire or shallowly cleft, 2.5–3 mm, adaxial lobe deeply cleft, 1.5–2 mm;

corolla banner and wings magenta, banner spot white or yellowish, becoming dark magenta, keel stout, blunt, lower and upper margins ciliate from claw to middle.

11–21 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or deeply lobed, 6–12 mm, adaxial lobe 2-lobed or cleft less than 1/3 length, 6–8 mm;

corolla usually bluish purple, sometimes pink, rarely white, banner glabrous abaxially, adaxial keel glabrous or densely ciliate along most of adaxial edge.

±3 cm, pubescent.

3–6 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

6–8.

7–11.