Herbs perennial, caespitose; rhizome woody; stolons repent, with slender roots. Stems annotinal, erect, corymbiform branches on upper parts, 40-60 cm, white tomentose. Lower leaves small, rarely cauliferous, elliptic, 3-veined. Cauline leaves oblong or elliptic, 3-veined or more, abaxially white tomentose, adaxially arachnoid tomentose, base sessile, sometimes amplexicaul, apex acute; lower leaves oblong-lanceolate, cauliferous (sometimes long) or attenuate into a petiole; middle leaves broadly lanceolate, 7-10 × 1.5-2.5 cm. Capitula large. Involucre 5-7 × 7-10 mm; phyllaries white, apex acute; inner elliptic or oblong-lanceolate. Fl. Aug-Oct, fr. Oct-Nov. 2n = 28.