Flora of North America species comparison

solitary, erect, slender, usually unbranched.

erect or ascending, branched.

cauline;

stipules 7–9 mm;

petiole to 1 cm;

leaflets 6 or 7, blades 10–40 × 4–10 mm, adaxial surface glabrous.

cauline;

stipules not leaflike, green to silvery, 3–15 mm;

petiole 2–6 cm;

leaflets 6–9, blades 20–60 × 5–10 mm, adaxial surface pubescent.

4–16 cm;

flowers ± whorled or not.

open, 2–23 cm;

flowers ± whorled.

2–6 cm;

bracts deciduous, 8–10 mm.

1–8.5 cm;

bracts deciduous, 2–10 mm.

5–6 mm.

1.5–5 mm.

8–10(–12) mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 3–5 mm, adaxial lobe 2-toothed, 3–8 mm;

corolla whitish to dull blue (at least in bud), often fading to pale yellow, banner glabrous abaxially, keel glabrous, tip sometimes exserted.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed, 3–8 mm, adaxial lobe 2-toothed, 5–7 mm;

corolla usually light blue or lavender to purple, rarely white, banner patch white turning purple, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

1.5–2.5 cm, white-hairy, dark when dry.

2–4.5 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

3 or 4, 4–5 mm.

4–6, brown, mottled tan, 4–6 mm.