In Flore Sous Marine, Odilon Redon presents a vibrant underwater scene filled with various aquatic plants. The colors are rich and varied, with deep greens and blues dominating the palette. The composition is intricate, showcasing a variety of shapes and forms that suggest movement and life beneath the water.

This botanical representation invites the viewer to explore the hidden beauty of the underwater world. The painting is executed in oil on canvas, a medium that allows for the depth and richness of color seen in the work. Redon's technique involves layering colors to create a sense of depth and texture, making the plants appear almost three-dimensional. The brushwork is fluid and organic, reflecting the natural forms of the aquatic flora.

Viewers can appreciate the meticulous detail in each plant, highlighting Redon's skill as a painter. Odilon Redon was a prominent figure in the Symbolist movement, known for his dreamlike imagery and exploration of the subconscious. Flore Sous Marine reflects his fascination with nature and the mysterious aspects of life. Interestingly, this work aligns with Redon's interest in the unseen and the imaginative, as he often sought to depict the inner workings of the mind through visual art.

This painting exemplifies his unique approach to botanical subjects, merging reality with fantasy.