Plants 3-13 dm, densely puberulent to subglabrous; stems numerous; lvs narrowly lanceolate to broadly rhombic-lanceolate, the main ones 2.5-10 cm נ0.5-4 cm, gland-dotted beneath, entire or toothed, sessile or the lower short-petiolate; heads mostly in small corymbiform clusters terminating the branches; invol 7-14 mm, the inner bracts mostly linear or oblong, the outer subulate-deltoid to lanceolate, with slender attenuate tip; fls creamy-white; pappus-bristles 20; 2n=18. Dry open places, especially in sandy soil; N.J. to O., N.D., and Mont., s. to Fla. and Ariz. Aug.-Oct. (Brickellia e.) Three vars. in our range.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.