Paul Klee, 1922. Schematic head in red, ochre, and yellow lozenges. Kunstmuseum Basel.
From Wikipedia
Senecio is a genus of flowering plants in the daisy family (Asteraceae) that includes groundsels and some ragworts. Variously circumscribed taxonomically, the genus Senecio is one of the largest genera of flowering plants. Plants of the World Online currently accepts 1482 species.