Willow grove with flattened images

Willow Grove with Flattened Images (1903), at the Kunstmuseum Den Haag, is among the most formally interesting of Mondrian's early willow subjects. The phrase 'flattened images' in the title suggests a painting in which Mondrian was experimenting with the spatial compression inherent in reflected imagery or in the reduction of three-dimensional forms to near-flat planes—a formal interest central to his mature development from Post-Impressionism toward abstraction. This exploratory canvas represents an early moment in the process by which Mondrian would eventually transform the willow-lined waterway into a wholly abstract pictorial structure.

The compositional interest of 'flattened images' suggests Mondrian was exploring the visual ambiguity that arises when reflections, shadows, or dense foliage compress spatial recession into a more surface-oriented arrangement. The handling emphasizes pattern and tone over conventional spatial depth.