Stem erect, usually branched, 2-6 dm, pubescent with incurved hairs, often also ±hirsute; petioles commonly much exceeding the bracts that they subtend and a third to half as long as the blades, or shorter in depauperate plants; blades lance-ovate, shallowly crenate; pistillate bracts 8-14 mm, deeply cleft into (9)10-15 oblong to linear acute segments, usually with some long, spreading hairs; staminate spikes equaling or slightly surpassing the bracts; 2n=40. Dry or moist open woods, fields and roadsides; Me. to Ind. and se. S.D., s. to Fla. and Tex.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.