Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

decumbent, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline;

petiole 2–3 cm;

leaflets 5–7, blades 10–15 × 5–6 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

dense, 3–9 cm;

flowers spirally arranged, axillary flowers absent.

1–10 cm;

bracts persistent, straight, 2–4 mm.

primary peduncles and lateral branches decumbent, 2–3.5 cm;

bracts usually persistent, 3–3.5 mm.

1–4 mm.

1–1.5 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

6–7 mm;

calyx 4–5.5 mm, lobes ± equal, adaxial lobe deeply cleft;

corolla pink, banner spot white or yellowish, keel glabrous.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

1.5–2 cm, pubescent or glabrate.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

3 or 4.