Flora of North America species comparison

ascending or erect, branched or unbranched.

very short, densely tufted, branched.

cauline;

petiole 1–7 cm;

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

cauline, densely tufted or crowded near base;

free blades of stipules reduced, 1 mm;

petiole 0.4–1.5 cm;

leaflets (3 or)5, blades 2–7 × 1–1.5 mm, adaxial surface villous.

4–20 cm;

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

flowers solitary or paired, axillary.

3–10 cm;

bracts deciduous, 4–6 mm.

1.5–4 mm;

bracts persistent, 1 mm.

1–3.5 mm.

1 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.

4–5 mm;

calyx 2.5–3 mm, abaxial lobe shallowly cleft, 2–2.5 mm, adaxial lobe 2-toothed, 0.5–1 mm;

corolla banner white, wings and keel purplish, keel glabrous.

1–3 × 0.3–0.6 cm, pubescent.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

5–8.

1 or 2.

= 48.