Flora of North America species comparison

yellow to light brown, fibrous, from stout caudex.

erect, 30-80 cm, glabrous or glandular.

erect, leafy, slender, (20-)30-100(-120) cm, glabrous.

blade 1-4x-ternately compound;

leaflets reniform or cordate to obovate or orbiculate, apically 3-12-lobed, 10-45 mm wide, lobe margins often crenate, surfaces abaxially glabrous or glandular.

blade (2-)3-ternate;

leaflets obovate to orbiculate or cordate, usually 3-cleft and divisions 3-lobed, thin, 10-20 mm, surfaces abaxially often glandular-puberulent.

terminal and axillary, panicles to corymbs, many flowered.

axillary, 1-few flowers, diffuse, leafy;

bracts leaflike, large.

sepals greenish to purple, ovate or obovate to oval, 1.8-4 mm;

filaments yellow to greenish yellow, 3.5-5.5 mm;

anthers 2-4 mm, mucronate to acuminate;

stigma purple.

pedicels abruptly recurved in fruit;

sepals whitish or greenish, often purplish tinged, elliptic, 2-3.5(-4) mm;

stamens 12-20, whitish;

filaments 3-4.5 mm;

anthers 0.5-0.8 mm.

(3-)7–13, not reflexed, sessile or nearly so;

stipe terete, 0-0.2 mm;

body ovoid to ellipsoid, not laterally compressed, 3.5-5 mm, glabrous, very strongly veined, veins not anastomosing-reticulate;

beak 1.5-3 mm.

(4-)6-12;

stipe 0.3-1.5 mm;

body obliquely obovate to half-rhombic, strongly compressed, (4-)5-6 × 3-4 mm, abaxial margin straight, glabrous or glandular-puberulent, faintly 3-4(-5)-veined;

beak 1-1.5 mm.