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Colonies always motile, spherical or slightly elongate

14.2.2017 [20:11] · 7Eudorina Elegans
PlantaeViridiplantaeChlorophytaChlorophytaChlorophytinaChlorophyceaeChlamydomonadalesVolvocaceaeEudorinaEudorina Elegans

DescriptionEudorina Ehrenberg 1832. Colonies always motile, spherical or slightly elongate, of 16-32-64 cells lying some distance from one another and arranged to form a hollow sphere near the periphery of the homogeneous, hyaline, gelatinous envelope. Cells spherical, with or without a beak at the point of origin of the two cilia. Cilia parallel while passing through the colonial envelope and then widely divergent. Chloroplast single, cupshaped, filling practically the whole cell and generally with several pyrenoids. Cells with a firm wall, one or two anterior contractile vacuoles, and a single conspicuous eyespot near the base of the cilia