Gamophyceae:
Zygnematales: Desmidiaceae
Xanthidium antilopaeum
(Brébisson) Kützing var. antilopauem
Genus:
Variable in shape; strong constriction at center; semicell ellipsoidal, polygonal, etc.;
cell wall with simple or branching spines, most of them laterally aligned;
4 plate-like chloroplasts in each semicell; one or more pyrenoids in each chloroplast
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species (var. antilopaeum) :
Cell body 45-72 μm long, 43-71 μm wide, L/W = 1,
constriction 13-25 μm wide, spines 19-22 μm long,
semicells with 4 spines (2 anterior, 2 basal),
cell wall at the center of semicells thickened and punctated
(Illustrations of The Japanese Fresh-water Algae, 1977).
|
Xanthidium antilopaeum (Brébisson) Kützing var. antilopauem,
cell body μm long, μm wide, L/W=, isthmus μm wide,
x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Xanthidium antilopaeum (Brébisson) Kützing var. antilopauem,
cell body μm long, μm wide, L/W=, isthmus μm wide,
x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008 by Eizaburo Tsukii
Please click on images for viewing enlarged.
Copyright
Protist Information Server