image_list image_listE

Gamophyceae: Zygnematales: Zygnemataceae

 Spirogyra sp.

Spirogyra Genus: Filament without branching; cell body cylindrical; one or several chloroplasts band-shaped, spirally arranged within the cell, pyrenoids present; septum with or without folded structure (Guide book to the "Photomicrographs of the Freshwater Algae", 1998). About 300 species (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Spirogyra sp. Link 1820, cell body 175 μm long, 25 μm wide, L/W=7.3, a single band-form chloroplasts making 7 turns in each cell, x 400, x 640, Banpaku memorial park, Tsukuba city, Ibaraki Pref., Japan, January 24, 2006 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400
Spirogyra Spirogyra Spirogyra
Cell body 57 μm long, 24 μm wide, L/W=2.4, a single band-form chloroplasts making 3.5 turns in each cell, x 400, x 640
Spirogyra Spirogyra Spirogyra

Please click on images for viewing enlarged.
Copyright Protist Information Server