Herbs 30-40 cm tall, perennial. Caudex stout, apically covered with blackish brown remains of old petioles. Stem solitary, erect, apically branched. Lower stem leaves petiolate; petiole 1-2 cm, winged, base semiamplexicaul; leaf blade ovate to narrowly ovate-elliptic in outline, 5-9 × 1.5-2 cm, bipinnately parted; segments 11-13 pairs, linear, needlelike, 2-12 × 1-3 mm, both surfaces arachnoid and densely glandular, apex obtuse to acute. Middle and upper stem leaves gradually smaller upward on stem, linear, undivided, margin subentire to dentate. Capitula many, in a paniculiform or corymbiform synflorescence, pedunculate. Involucre campanulate, 7-12 mm in diam. Phyllaries in 5-7 rows, apical half and margin purple, arachnoid pubescent, midvein dark; outer phyllaries ovate, apex obtuse or mucronate; middle phyllaries oblong-elliptic, apex acute; inner phyllaries narrowly elliptic to linear, apex obtuse. Receptacle bristles 1.5-6 mm. Corolla rose-purple, ca. 1.4 cm, tube ca. 6 mm, limb ca. 8 mm. Achene dark green, obconic, 3.5-4 mm, 4-angled, sparsely glandular, apically squamulose, apex with an obtusely dentate crown. Pappus white; outer bristles short; inner bristles 1-1.1 cm. Fl. Sep.
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