Flora of North America species comparison

erect, branched or unbranched.

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

cauline;

petiole 4–9 cm;

leaflets usually 9, blades 10–40 × 4–9 mm, adaxial surface villous to pilose.

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.

10–40 cm;

flowers whorled.

1.8–30 cm;

flowers in 1–15 whorls.

5–12 cm;

bracts usually deciduous, 8–9 mm.

(1–)4–9.5 cm;

bracts deciduous, 1–5 mm.

6–8 mm.

1–8 cm.

11–17 mm;

calyx 4–7 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

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

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.

3–5 × 0.8–1 cm, densely pubescent.

3–6 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

5–10.

7–11.