Flora of North America species comparison

5-25 cm.

40-100 cm.

1-2x-ternately compound, 5-25 cm, about as long as stems;

leaflets green adaxially, to 9-27 mm, not viscid;

primary petiolules 17-35 mm (leaflets not crowded), 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 floral axis, greenish white, linear or lanceolate, 7-15 × 1-4 mm, apex acute to rounded;

petals: spurs white, hooked, 5-8 mm, stout, evenly tapered from base, blades cream colored, oblong to elliptic, 5-12 × 3-7 mm;

stamens 10-11 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.

10-14 mm;

beak 3-5 mm.

14-25 mm;

beak 9-12 mm.

= 14.