Encyclopedia of Life · EOL (see source)
Actinotaenium
Sign in to saveActinotaenium is a genus of green algae, specifically of the Desmidiaceae. It is a freshwater genus, typically found in the benthos of acidic, oligotrophic lakes or Sphagnum bogs. It has a cosmopolitan distribution.
Species
GENUS
- KingdomPlantae
- PhylumCharophyta
- ClassZygnematophyceae
- OrderZygnematales
- FamilyDesmidiaceae
Actinotaenium là một chi Song tinh tảo trong họ Desmidiaceae.
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Actinotaenium is a genus of green algae, specifically of the Desmidiaceae. It is a freshwater genus, typically found in the benthos of acidic, oligotrophic lakes or Sphagnum bogs. It has a cosmopolitan distribution.
Actinotaenium consists of solitary cells with two halves, called semicells; cells have a central constriction called an isthmus where the two semicells are joined. Cells are globose, ovoid, cylindrical or pyramidal when viewed from the side, but circular when viewed from the poles. The cell walls are covered in ornamentation such as fine pores, punctae or scrobiculae (pits); the distribution of ornamentation varies by species. Each semicell has a single chloroplast, which is stellate in cross-section and often with complex lobes.
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