Pale purplish-red, quickly degenerating when removed from the water and becoming distinctly orange; fronds bushy, with a cylindrical axis to1 mm wide and 200 mm long. Both phases readily reproduce vegetatively. Photographs by M.D. Guiry
In India seaweeds are used for the production of phytochemicals namely agar-agar and sodium alginate. The red seaweeds Gelidiella acerosa, Gracilaria edulis and G. crassa are used as raw material for agar-agar.