image_list image_listE

Gamophyceae: Desmidales: Desmidaceae or Peniaceae
(Charophyceae: Zygnematales: Desmidaceae)

Penium polymorphum
Perty

Penium polymorphum Species: Cell body cylindrical or ellipsoidal, tapered to both ends, 35-79 μm long, (16-21)-36 μm wide; both ends broadly rounded; cell wall thin, brownish in color, finely lined (15-18/10 μ) (Illustrations of The Japanese Fresh-water Algae, 1977).

Penium polymorphum Perty, cell body 70 μm long, 32 μm wide, x 640, Shijuhachi-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 1, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Penium
Cell body 62 μm long, 25 μm wide, x 640
Penium
Cell body 68 μm long, 27 μm wide, x 640
Penium Penium
Cell body 69 μm long, 31 μm wide, x 640
Penium
Cell body 52 μm long, 24 μm wide, x 640
Penium polymorphum Penium polymorphum

Images of collecting locality: No. 5, Shijuhachi-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 1, 2006 by Y. Tsukii

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