Biennial or perennial 3-8 dm, ±hairy, or the lvs subglabrous; lowest lvs mostly oblanceolate, to 10 נ1.5 cm, the cauline ones smaller, narrowly lanceolate to ovate; heads several or many on arcuate or obliquely ascending peduncles; invol 5-12 mm, finely glandular and often ±hirsute, the bracts very narrow and long-attenuate; pistillate fls numerous, in several series, the outer with narrow and inconspicuous, pinkish to white, erect rays equaling or slightly exceeding the pappus, not over 5 נ0.5 mm; inner pistillate fls merely filiform-tubular, without rays; disk-fls usually fewer than the pistillate fls; pappus copious, simple or obscurely double. Circumboreal, s. to n. Me., n. Mich. and n. Minn. Our plants, as here described, are the boreal N. Amer. and Siberian var. kamtschaticus (DC.) Herder (E. asteroides and E. droebachensis, both misapplied)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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