Stems stout, very leafy and hairy, corymbosely branched above, 2 to 8 feet high, from a stout, perennial root. Leaves lanceolate, entire, rather thin, pointed at the apex, hairy, 2 to 6 inches long, one-half to 1 inch wide, clasping the stem by a broad, heart-shaped base. Heads of flowers numerous, each head 1 to 2 inches broad, clustered at the ends of the branches. Involucres hemispheric, their bracts linear-subulate, somewhat unequal, spreading, green and hairy and usually glandular. Ray flowers numerous, forty to fifty in each head, linear, one-half to two-thirds of an inch long, violet-purple, rarely pink or reddish; achenes pubescent; pappus reddish white.
In moist fields, swamps and wet thickets, often along streams or near water, Quebec to Saskatchewan, south to Alabama, Kansas and Colorado. Usually regarded as the most beautiful of the wild asters. Flowering from August to October.
Memoir 15 N. Y. State Museum
New England Aster - Aster novae-angliae