Silene dioica is a flowering plant species that belongs to the Caryophyllaceae family. It is a herbaceous perennial plant that can grow up to 80 cm (31 inches) tall. The plant has a taproot and a branching stem with opposite leaves. The flowers are pink or white, and they bloom from May to August. Silene dioica is also known as red campion, and it is native to Europe and Asia.