Stems slender, divergently branched, nearly smooth or puberulent, chiefly erect, 1 to 5 feet high. Basal leaves ovate, slender-petioled; stem leaves broadly lanceolate to oblong-lanceolate, pointed, 2 to 5 inches long, one-half to 1 inch wide, more or less toothed. Leaves of the branches smaller, oblong or linear-oblong. Heads of flowers one-fourth to one-half of an inch broad, in one-sided racemes on the branches, usually numerous and crowded. Bracts of the turbinate involucres linear-oblong, blunt or somewhat pointed, overlapping in about four series, their short, green tips appressed or slightly spreading. Ray flowers numerous, short, white or pale purple; disk flowers purplish; pappus white.
In dry or moist soil, open woods, thickets or fields, Nova Scotia to western Ontario, south to North Carolina, Louisiana and Texas. Variable and consisting of several races or varieties, differing in leaf form, inflorescence and pubescence. Flowering from August to October.
Memoir 15 N. Y. State Museum
B. Starved Or Calico Aster - Aster lateriflorus