Flora of North America species comparison

ascending or erect, branched.

ascending or erect, usually branched, sometimes unbranched.

cauline, crowded near base;

petiole 2–6 cm;

leaflets 5 or 6(or 7), blades 10–25 × 6–12 mm, adaxial surface glabrous.

cauline, often crowded near base;

petiole 2–9 cm, ascending- or appressed-pubescent;

leaflets (5 or)7, blades 10–20 × 5–10 mm, adaxial surface glabrate.

2–12 cm;

flowers spirally arranged.

18–45 cm;

flowers well spaced, usually spirally arranged.

3–6 cm;

bracts deciduous, 2–3 mm.

5.5–10 cm;

bracts deciduous, 4–5 mm.

4–6 mm.

5–7 mm.

10–13 mm;

calyx 6–8 mm, abaxial lobe entire or cleft, 4–5 mm, adaxial lobe cleft, 2–3 mm, hairs silvery;

corolla usually dark blue, rarely white, banner spot bright white, keel glabrous, wings flat.

10–13(–15) mm;

calyx 6–7 mm, abaxial lobe entire, 6 mm, adaxial lobe 3-cleft, 4 mm;

corolla bright violet-blue, banner spot creamy or yellow, keel glabrous.

2.5–3.5 cm, white silky-villous.

3.5–5 cm, villous.

deciduous, petiolate.

usually persistent, usually inconspicuous, petiolate.

4 or 5.

6–8.

= 36.

= 36.