Flora of North America species comparison

few, blackish, filiform or somewhat tuberous.

erect, not scapose, 15-50(-60) cm, glabrous.

blade: leaflets reniform to obovate, apically 4-7-lobed, 10-30 mm wide, lobe margins crenate, surfaces abaxially glaucous.

panicles or nearly corymbs, few flowered.

pedicels very slender, elongate;

sepals white, obovate-spatulate, 2.5-4 mm;

filaments white, 2.5-4 mm;

anthers 0.3-0.5 mm.

3-8, spreading;

stipe 1-3(-4) mm, usually ± 1/2 as long (sometimes nearly as long) as achene body;

body flat, falcate, 3-5 mm, abaxially convex, adaxially concave, conspicuously 3-veined on each face;

beak minute.