Flora of North America species comparison

erect, unbranched or branched distally.

solitary, erect, slender, usually unbranched.

cauline;

stipules not leaflike, green to silvery, 5–16 mm;

petiole 3–6 cm;

leaflets 7–12, blades 30–80 × 4–8 mm, adaxial surface sparsely pubescent.

cauline;

stipules 7–9 mm;

petiole to 1 cm;

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

4–22 cm;

flowers ± whorled.

4–16 cm;

flowers ± whorled or not.

3–12 cm;

bracts deciduous, 5–9 mm.

2–6 cm;

bracts deciduous, 8–10 mm.

2–6 mm.

5–6 mm.

13–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–11 mm, adaxial lobe 2-toothed, 6–10 mm;

corolla light blue to purple, banner patch yellowish to white, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

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.

3–4 cm, silky.

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

deciduous, petiolate.

deciduous, petiolate.

3–7, beige, speckled brown, 4–6 mm.

3 or 4, 4–5 mm.