Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum apiculatum
Brébisson
= Staurodesmus apiculatus (Joshua) Islam & Haroon (Ling & Tyler, Australian Freshwater Algae, 2000)
= Std. dejectus (Ralfs) Teiling var. apiculatus (Bréb.) Teiling (Coesel & Meesters, Desmids of the Lowlands, 2007)
Genus:
Cell body short, radiate in shape; apical view of the cell, triangular, polygonal,
ellipsoidal or spindle-shaped; zygospores formed outside of mother cells
(Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: lacks arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species:
Cell body 17-25 μm long, 17-25 μm wide (without spines),
isthmus 5.6-8 μm wide,
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S. connatum;
Staurastrum apiculatum Brébisson ?,
cell body 18 μm long, 19 μm wide, L/W=, isthmus 6 μm wide,
x 640, No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Staurastrum apiculatum Brébisson ?,
cell body ? μm long, 17 μm wide, L/W=, isthmus 6 μm wide,
x 640, No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 22, 2006 by Y. Tsukii
Please click on images for viewing enlarged
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