Spondylosium pulchrum (Bailey) W. Archer in Pritchard 1861

Division     Charophyta
Class     Zygnematophyceae
Order     Desmidiales
Family    Desmidiaceae
Basionym     Sphaerozosma pulchrum Bailey

    Filaments straight or twisted, without gelatinous sheath and fragile. Cells jointed by cylindrical processes of the apical margin of cell. Cells measure 26-41μm in length and 60-70 μm in breadth. Cells deeply constricted at the center, sinus open, isthmus 16-25 μm. Semicells elliptical with rounded margins and basal angles and apical margin with a small elevation giving rise to cylindrical process. Semi cells smooth cell wall, circular in vertical view and elliptical in lateral view.


Free floating freshwater alga prefers oligo-mesotrophic water bodies.