Flora of North America species comparison

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

ascending or erect, 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, often crowded near base;

petiole 1–6 cm;

leaflets 5 or 6, blades 10–25 × 4–15 mm, adaxial surface glabrate.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

6–12 cm;

flowers crowded or spaced, spirally arranged, crowded on young growth.

1–10 cm;

bracts persistent, straight, 2–4 mm.

3–8 cm;

bracts deciduous, 2.5–3 mm.

1–4 mm.

3–7 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.

9–12 mm;

calyx 5–6 mm, abaxial lobe 3-lobed, 3–4 mm, adaxial lobe cleft, 2–2.5 mm, hairs becoming yellowish gray or brown on dried material;

corolla pale blue-violet, banner spot white, keel glabrous, wings inflated.

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

2.5–3.5 cm, yellowish gray- or brown-villous.

persistent, disclike, sessile.

usually persistent, petiolate.

2, wrinkled.

4 or 5.

= 36.