Flora of North America species comparison

yellow to light brown, fibrous, from stout caudex.

erect, 30-80 cm, glabrous or glandular.

erect to ± reclining, slender, 50-200 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 ternately and pinnately decompound;

leaflets grayish green to brownish to bright green, nearly orbiculate to ovate or obovate, apically undivided or shallowly 2-3-lobed, 5-16(-22) × 3-18 mm, length 1-3.3 times width, leathery and prominently reticulate abaxially, or sometimes quite membranous, margins sometimes revolute, lobe margins entire;

surfaces abaxially glabrous.

terminal and axillary, panicles to corymbs, many flowered.

racemes or panicles, elongate, few flowered;

peduncles and pedicels neither pubescent nor glandular.

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.

either unisexual with staminate and pistillate on different plants, or bisexual and unisexual with staminate and bisexual on some plants, pistillate and bisexual on others;

sepals 4(-6), greenish to white, nearly orbiculate, 1-2 mm;

filaments white, filiform or sometimes clavate, 1.8-4 mm, rigid to flexible;

anthers 0.5-1.2 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.

numerous, slightly stipitate;

stipe 0.3-0.7 mm;

body ovoid, 3-4.5 mm, prominently veined, glabrous;

beak 0.7-1.7 mm.

= 56.