image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Euastrum geometricum
var. elaboratum Hinode

Euastrum Genus: Variable in shape and in size; mostly longer than wide; strong constriction at center; semicell pyramid-shaped, apically flattened with indentation (or notch, some species lack this notch); laterally straight or wavy or indented; one chloroplast in each semicell; one pyrenoid for each chloroplast (Illustrations of The Japanese Fresh-water Algae, 1977).
Subgenus: Entomum (Apical area deeply indented or notched)
Section: Excisa (Cell surface granulated or dented; apical area with spiny projections)

Species:


Euastrum geometricum var. elaboratum Hinode (or E. trigibberum W. et G.S. West ?), cell body 38 μm long, 27 μm wide, isthmus 8 μm wide, x 640, Imou bog, Toyohashi city, Aichi Pref., Japan, September 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum pulchellum Euastrum pulchellum Euastrum pulchellum


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