Flora of North America species comparison

30-72 cm.

20-80 cm.

2x-ternately compound, 10-30 cm, much shorter than stems;

leaflets green adaxially, to 15-47 mm, not viscid;

primary petiolules 22-60 mm (leaflets not crowded), pilose or rarely glabrous.

2x-ternately compound, 5-30 cm, much shorter than stems;

leaflets green adaxially, to 12-44 mm, not viscid;

primary petiolules 10-55 mm (leaflets not crowded), distally pilose or occasionally glabrous.

nodding;

sepals divergent from or perpendicular to floral axis, mostly blue or purple, lance-ovate, (10-)15-25 × 8-12 mm, apex broadly acute or obtuse;

petals: spurs mostly blue or purple, hooked, 14-22 mm, stout, evenly tapered from base, blades mostly blue or purple, oblong, 10-13 × 6-10 mm;

stamens 9-13 mm.

nodding;

sepals divergent from floral axis, blue, lanceolate or narrowly elliptic, 13-16 × 3-6 mm, apex acuminate or acute;

petals: spurs blue, hooked, 5-10 mm, stout, evenly tapered from base, blades white or pale yellow, oblong, 7-10 × 3-6 mm;

stamens 7-11 mm.

15-25 mm;

beak 7-15 mm.

15-25 mm;

beak 3-4 mm.

= 14 (Europe).

= 14, 16.