The color ranges from blue to cyan to green, which is influenced by the concentration of phycocyanin. The organism alternates between a photosynthetic biflagellate stage and mucilaginous palmelloid colonies. It possesses a tubular gullet lined with two to four rows of ejectisomes. There is typically one chloroplast and pyrenoid, with the potential presence of a stigma. Asexual reproduction solely occurs through simple cell divisio