Herbaceous, erect, simple or branching at base, usually branched above, 1/2–2 ft. high. Branches erect or ascending, terete, striate, cottony above, leafy. Leaves linear, acute, somewhat auricled and amplexicaul at the base, closely lanate beneath, nearly glabrate above, entire, 1–3 in. long, 1/12– 1/6 in. broad. Capitula campanulate, 1/8 in. long, subsessile, several together, in dense clusters arranged in broad terminal corymbose cymes. Innermost involucral scales linear or linear-oblanceolate, with acute or subacute whitish membranous appendices; intermediate linear-oblong, obtuse; outer obovate-oblong, obtuse, woolly. Receptacle naked, flat; hermaphrodite florets about 5; ♀ florets very numerous, filiform, minutely toothed. Achenes very small, glabrous, obtusely angular.