Herbs 40-110 cm tall, perennial, broomlike, basally sometimes woody. Stem ± intricately basally erect-spreadingly and higher up divaricately branched; branches slender, glabrous or sometimes apically indistinctly arachnoid hairy, ± leafy. Lower stem leaves lanceolate, 2.5-3.5 × 0.2-0.6 cm, early deciduous, glabrous, margin entire. Middle and upper stem leaves narrowly lanceolate to linear, 1-3 cm × 0.3-1.5 mm, early deciduous, glabrous, margin entire. Capitula with 5(-7) florets. Involucre 1.1-1.5 cm, sparsely arachnoid hairy especially basally. Phyllaries green to dark green; outer phyllaries broadly triangular-ovate, 1-2 mm; inner phyllaries 5(-7). Achene 5-7.5 mm; body apically with a corona of 5 erect 3-lobed to irregularly lobed scales of (0.1-)0.2-0.3 mm with lobes of ± equal length, below with 1 or 2 series of tubercles and/or scales; beak stout, 0.5-1.5(-2) mm, without articulation. Pappus 7-9 mm. Fl. and fr. May-Sep. 2n = 15.
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