Stem rather stout, more or less branched above, hispid with stiff hairs or nearly smooth, reddish, 2 to 8 feet high. Leaves lanceolate to oblong-lanceolate, long pointed, sessile and clasping the stem by a broad or narrowed base, sharply toothed or nearly entire, usually rough above and pubescent on the midrib or smooth below, 3 to 6 inches long, one-half to 11/2 inches broad; bracts of the hemispheric involucre linear or oblong and long pointed, overlapping in about two series, smooth or ciliate, green, loose and spreading, nearly equal in length; ray flowers twenty to forty in number, violet-purple or sometimes paler, one-half of an inch long or longer, showy; pappus nearly white.
Memoir 15 N. Y. State Museum
Red-Stalked Or Purple-Stemmed Aster - Aster puniceus