image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium cornu
Ehrenberg var. cornu

Closterium cornu Genus: Cell body crescent in shape (long, curved, tapered at both ends); cross section rounded; cell wall smooth or with longitudinal lines, bands on the cell wall in some species; chloroplast laminae ridged and radially arranged, which makes cross section star-shaped; pyrenoids aligned or scattered (Illustrations of The Japanese Fresh-water Algae, 1977).
Species [ var. cornu]: Cell body slightly curved, tapered at both ends, but inner side at center straight, 95-160 μm long, 5-(7.8-13) μm wide, L/W = 16-17; cell wall smooth; chloroplasts with 3-4 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).


Closterium cornu Ehrenberg var. cornu ?, cell body 232 μm long, 14 μm wide, L/W=, x 640, a pond at Izumo Shrine, Izumo city, Shimane Pref., Japan, September 22, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium cornu Closterium cornu Closterium cornu Closterium cornu

Images of collecting locality: a pond at Izumo Shrine, Izumo city, Shimane Pref., Japan, September 22, 2006 by Y. Tsukii


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