Flora of North America species comparison

30-72 cm.

40-100 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.

2-3x-ternately compound, 9-45 cm, much shorter than stems;

leaflets to 11-38 mm, sometimes viscid, glaucous on both surfaces;

primary petiolules 23-80 mm (leaflets not crowded), glabrous or pilose.

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 perpendicular to floral axis, red (or sometimes partly yellow or green), lanceolate to elliptic, 10-20 × 4-8 mm, apex acuminate or acute;

petals: spurs red or pink, straight, ± parallel, 12-25(-30) mm, rather stout, usually abruptly narrowed near middle, blades yellow, oblong or rounded, 2-5 × 4-7 mm;

stamens 12-16 mm.

15-25 mm;

beak 7-15 mm.

14-25 mm;

beak 9-12 mm.

= 14 (Europe).