Flora of North America species comparison

ascending or erect, branched or unbranched.

very short, tufted, branched.

cauline;

petiole 1–7 cm;

leaflets 5–8, blades 10–40 × 1–5 mm, adaxial surface glabrous or sparsely pubescent.

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.

4–20 cm;

flowers usually in fewer than 5 whorls, sometimes spirally arranged.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

3–10 cm;

bracts deciduous, 4–6 mm.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

1–3.5 mm.

0.3–1.5 mm.

4–10 mm;

calyx abaxial lobe entire, 4–6 mm, adaxial lobe deeply cleft, 2–4 mm;

corolla usually blue, rarely light blue, pink, or white, banner spot white, becoming magenta, upper keel margins usually ciliate near apex, rarely glabrous, sometimes blunt, banner longer than wide.

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.

1–3 × 0.3–0.6 cm, pubescent.

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

deciduous, petiolate.

persistent, disclike, sessile.

5–8.

1 or 2, smooth.

= 48.