Species: Cell body medium in size, slightly curved, central region spindle-shaped, both side convex,
both termini slightly swelled, with slanted edges (cf. C. ralfsii),
190-(320-400)-530 μm long, 18-(29-33)
μm wide, L/W=11-16; cell wall striated (10 lines within 10 μm), brownish in color;
chloroplasts with 3 laminae, 3-5 pyrenoids in each semicell
(Illustrations of The Japanese Fresh-water Algae, 1977).
|
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Ushidome-ike (pond), Norikura highland, Azumi, Matsumoto city, Nagano Pref., Japan, November 4, 2007 by Y. Tsukii
