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Achenes pale-to reddish-brown, 2–2.5 mm. long, narrowly cylindric, truncate at the apex, slightly narrowed at the base, terete or obscurely 5-ribbed, uniformly white strigose, glandular; outer pappus of short, broadly oblong white scales, fimbriate-toothed on the upper margin; inner pappus of c. 6 greenish barbellate setae 7–8 mm. long, barbs appressed-ascending, decreasing in size and number towards the seta base.
Leaves largest about mid-stem, up to c. 8 x 1.3 cm., linear-oblanceolate to narrowly elliptic, acute at the apex, narrowly cuneate to the base, remotely serrulate to subentire on the margins; upper surface sparsely hispidulous-scabridulous, the lower somewhat puberulous; the lowermost leaves soon withering.
Phyllaries progressively longer towards the inside; the outermost lanceolate, mucronate or shortly awned; the inner becoming narrowly strap-shaped, gently tapering to a bristle-tipped apex, brownish hispid towards the apex, pubescent below.
Stems longitudinally striate, angular, puberulous; branches up to c. 30 cm. long, spreading-ascending, often dark-purple in the lower part, shortly pubescent.
Involucres c. 10 mm. long, exceeding the pappus at anthesis, narrowly cylindric-campanulate, not or hardly spreading, pubescent.
Capitula numerous, in a large panicle; stalks 1–8 cm. long, slender, sometimes purple in the lower part, pubescent.
An erect somewhat diffusely branched annual herb, up to c. 60 cm. tall.
Corollas white, cream, or mauve, narrowly funnel-shaped.
