image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium reniforme
var. elevatum W. et G.S. West

Cosmarium reniforme Genus: Unicellular; variable in shape; a constriction at the center of the cell body; mostly longer than wide; flattened; each semicell hemispherical, spherical, ellipsoidal, rectangular, pyramidal or kidney-shaped; no apical indentation (Illustrations of The Japanese Fresh-water Algae, 1977).
Species [ var. reniforme ]: Cell body medium in size, slightly longer than width, (47-56)-57 μm long, (32-34.4)-38-40 μm wide, isthmus 15-(17)-20 μm wide; semicells reniform, side view circular, apical view elliptical; cell wall covered with granules (Illustrations of The Japanese Fresh-water Algae, 1977).


Cosmarium reniforme var. elevatum W. et G.S. West, cell body μm long, μm wide, L/W=, x 640, Koigakubo marsh, Tessei-cho, Okayama Pref., Japan, November 22, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium reniforme Cosmarium reniforme
Cell body 52 μm long, 36 μm wide, L/W=1.4, x 640
Cosmarium reniforme Cosmarium reniforme Cosmarium reniforme Cosmarium reniforme
Cell body 56 μm long, 36 μm wide, L/W=1.6, x 640
Cosmarium reniforme Cosmarium reniforme Cosmarium reniforme
Cell body 53 μm long, 35 μm wide, L/W=1.5, isthmus 11 μm wide, x 640
Cosmarium Cosmarium Cosmarium


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