Flora of North America species comparison

erect, unbranched or branched distally, hollow.

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

basal and cauline, green;

stipules 5–20 mm;

basal petioles 10–25 cm, cauline 1–4 cm;

leaflets 5–10, blades 30–80(–130) × 5–8 mm, adaxial surface strigose, hairs less than 1 mm.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

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

5–28 cm, usually exceeding leaves;

flowers dense.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

4–17 cm;

bracts persistent, 5–10 mm.

1–10 cm;

bracts persistent, straight, 2–4 mm.

1–3 mm.

1–4 mm.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla violet to dark blue, banner patch orange to red, banner usually glabrous abaxially, rarely hairy, lower keel margins glabrous, adaxial margin densely ciliate.

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.

1.5–2 cm, hairy to woolly.

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

deciduous, petiolate.

persistent, disclike, sessile.

4–6, brown, mottled tan, 3–4 mm.

2, wrinkled.