Flora of North America species comparison

very short, tufted, branched.

ascending or erect, usually branched, sometimes unbranched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 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.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

18–45 cm;

flowers well spaced, usually spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

5.5–10 cm;

bracts deciduous, 4–5 mm.

0.3–1.5 mm.

5–7 mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel glabrous.

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.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

3.5–5 cm, villous.

persistent, disclike, sessile.

usually persistent, usually inconspicuous, petiolate.

1 or 2, smooth.

6–8.

= 36.