Flora of North America species comparison

erect, ascending, or decumbent, branched.

ascending to erect, clustered, unbranched or branched, sometimes thick, hollow.

cauline and basal;

stipules 4–9 mm;

petiole 2–16 cm;

leaflets 7–10(–13), blades 20–70 × 3–15 mm, adaxial surface strigose.

cauline;

stipules 1–8 cm;

proximal petioles 3–8.5 cm, distal ones 2–7 cm;

leaflets 5–8(–15), blades (10–)20–50(–70) × 5–15 mm, abaxial surface long-villous, adaxial surface usually glabrous or glabrate.

open, 3–18 cm;

flowers whorled.

1.8–30 cm;

flowers in 1–15 whorls.

2–5 cm;

bracts deciduous, 3–6 mm.

(1–)4–9.5 cm;

bracts deciduous, 1–5 mm.

1–7 mm.

1–8 cm.

8–14 mm;

calyx spur distinct, 1–3 mm, abaxial lobe 3-toothed, 2.5–5 mm, 1–3 mm, adaxial lobe 2-toothed, 2–4 mm;

corolla blue, purple, pink, white, or yellowish, banner patch white, yellowish, or absent, banner hairy abaxially, wings with dense hair patch outside near tip, lower keel margins glabrous, adaxial margin ciliate.

11–21 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or deeply lobed, 6–12 mm, adaxial lobe 2-lobed or cleft less than 1/3 length, 6–8 mm;

corolla usually bluish purple, sometimes pink, rarely white, banner glabrous abaxially, adaxial keel glabrous or densely ciliate along most of adaxial edge.

2–3 cm, silky.

3–6 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

3–6, tan, 5–6 mm.

7–11.