Solidago speciosa Nutt.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Plants 3–15 dm from a stout, woody caudex, coarsely puberulent in the infl, otherwise glabrous or slightly scabrous; lvs thick and firm, entire or the lower slightly toothed, sometimes gradually increasing in size toward the base, the persistent lower ones then often broad and abruptly petiolate, to 30 × 10 cm, sometimes all smaller and nearly uniform, the lower then generally deciduous; infl not at all secund, usually dense, simple or more commonly with rather crowded, stiffly ascending branches, sometimes loose and more open, with conspicuously pedicellate heads; invol 3–5 mm, its bracts obtuse or rounded, glutinous, yellowish; rays 6–8, 3–5 mm; disk-fls 7–9; achenes glabrous, seldom over 2 mm; 2n=18, 36. Open woods, fields, prairies, and plains; Mass. and s. N.H. to Minn. and Wyo., s. to Ga., Ark., Tex., and N.M.