Flora of North America species comparison

bright yellow, tuberous.

erect, 20-50 cm, glabrous, from rhizomes.

erect, coarse, 65-150 cm, glabrous.

blade 3-4x-ternately compound;

leaflets obovate to orbiculate, apically 3-5-lobed, 5-20 mm, lobe margins crenate, surfaces abaxially glabrous or glandular-puberulent.

blade 1-4x-ternately compound;

leaflets reniform or obovate to orbiculate, apically 3-9-lobed or toothed, 10-75 mm wide, lobe margins crenate, surfaces abaxially glabrous or glandular.

terminal, panicles, narrow and dense, many flowered.

panicles, pyramidal, loosely branched, many flowered.

sepals greenish white, lanceolate or broadly ovate to elliptic or obovate, 2-4 mm;

filaments colored, not white, (1.8-)3-5.5 mm;

anthers 2-3.5 mm, blunt to mucronate;

stigma commonly yellowish.

sepals white to purplish, lanceolate-ovate, 1.5-5.5 mm;

filaments maroon, 4-4.5 mm;

anthers 2-5.5 mm, apiculate, subulate-tipped;

stigma maroon.

5-17, erect to spreading, not reflexed, nearly sessile;

stipe 0.1-0.3 mm;

body often distinctly curved, elliptic-oblong, nearly terete to slightly flattened, adaxial surface 3-4(-6) mm, glabrous to glandular, veins distinct, not anastomosing-reticulate;

beak 1.5-2.5(-3) mm.

3-15, erect, not reflexed, stipitate;

stipe ± wing-angled, 0.7-2.5 mm;

body obliquely ovoid to ellipsoid, not laterally compressed, 3-6.5 mm, strongly veined or ribbed, veins not anastomosing;

beak 1.5-3 mm.