Erect herb c. 60 cm high. Branches sparsely woolly. Leaves sessile or shortly petiolate, ovate to oblong, 2–8 cm long, prominently sinuate-dentate. Inflorescence paniculate. Fruiting perianth depressed, crustaceous; wing annular, pale hyaline, irregularly toothed, c. 5 mm diam.
A herb. It grows each year from seeds. It grows 15-50 cm tall. The flowers occur singly and without stalks.