Spirogyra: Introduction Spirogyra is a

Introduction Spirogyra is a beautiful green alga, often found as slimy, thread-like masses floating in freshwater ponds, lakes, and slow-moving streams. It is named after its unique spiral-shaped chloroplasts, which can be easily seen under a microscope. It belongs to the division Chlorophyta, class Chlorophyceae, and order Zygnematales. It is widely used as a model organism in botany because of its simple structure, attractive appearance, and interesting method of reproduction. Learn about Spirogyra , a free-floating green alga with spiral chloroplasts and unbranched filaments. Find out how Spirogyra reproduces by fragmentation, aplanospores, akinetes, zygospores and conjugation. Spirogyra is a filamentous green algae characterized by its long, unbranched chains of cylindrical cells. Within these cells, distinctive chloroplasts arrange in a spiral pattern, contributing to its green colour. Spirogyra, any member of a genus of some 400 species of free-floating green algae found in freshwater environments around the world. Named for their beautiful spiral chloroplasts, spirogyras are filamentous algae that consist of thin unbranched chains of cylindrical cells.