Herbs, perennial. Stems 30-150 cm, erect, corymbosely branched above middle or only in upper part, pilose, especially in upper part and on synflorescence branches. Basal and lower stem leaves withered by anthesis; middle stem leaves: petiole 0.5-1 cm; leaf blade ovate, broadly ovate, elliptic-ovate, narrowly elliptic, or ovate-lanceolate, 2-7 × 1.5-4.5 cm, surfaces concolorous or nearly so, 2-pinnatisect, 2-pinnatipartite, or inconspicuously 2-pinnatipartite; primary lateral segments 2 or 3(or 4) pairs; ultimate lobes elliptic. Upper stem leaves small, tripartite or entire. Synflorescence a lax or dense cyme. Capitula 1-1.5 cm in diam. Involucres cup-shaped, 5-7 mm in diam.; phyllaries in 5 rows, margin white or pale brown scarious, outer ones linear or linear-oblong, ca. 2.5 mm, abaxially sparsely pilose, middle and inner ones ovate, narrowly elliptic, or oblanceolate, ca. 4.5 mm. Ray florets yellow; lamina 1-7.5 mm. Achenes 1.2-1.5 mm. Fl. and fr. May-Nov. 2n = 18*, 36*.
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