Flora of North America species comparison

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

ascending or erect, branched or unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

basal and cauline;

stipules well developed;

petiole 1.5–4.5 cm;

leaflets 5–7, blades 7–22 × 3–6 mm, adaxial surface softly villous.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

well exserted, several–many-flowered, 3–7 cm;

flowers crowded, whorled proximally, becoming spirally arranged distally.

1–10 cm;

bracts persistent, straight, 2–4 mm.

2–5.5 cm;

bracts persistent, 5–7 mm.

1–4 mm.

2–4 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.

8–10 mm;

calyx 5–8 mm, lobes unequal, adaxial lobe less than 1/2 as long as abaxial;

corolla blue or whitish and blue-tipped, 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.

not obviously undulate, 1–1.3 cm, softly villous-pilose.

persistent, disclike, sessile.

persistent or deciduous, disclike, sessile, leaving a circular scar.

2, wrinkled.

2.