Linum catharticum (Purging Flax, Fairy Flax) is a species of annual herb in the family Linaceae. They have a self-supporting growth form. They have simple, broad leaves and capsule fruit. Flowers are visited by Melangyna novaezelandiae, Syritta pipiens, null, and Sphaerophoria scripta. Individuals can grow to 0.13 m.
EOL has data for 19 attributes, including: