{{Short description|Genus of algae}} {{Automatic taxobox | image = Deasonia_sp._NAMSU_934-2_1d_04.png | image_caption = ''Deasonia'' sp. | taxon = Deasonia | authority = H. Ettl & J. Komárek, 1982<ref name=AB_g47171/> | type_species = ''Deasonia prolifera'' | type_species_authority = (T.R.Deason) H.Ettl & J.Komárek<ref name=AB_g47171/> | subdivision_ranks = Species | subdivision = * ''D. bispora'' * ''D. irregularis'' * ''D. multinucleata'' * ''D. prolifera'' * ''D. punctata'' * ''D. saccata'' | subdivision_ref = <ref name=AB_g47171/> }}
'''''Deasonia''''' is a genus of green algae, in the family Actinochloridaceae.<ref name=AB_g47171>{{AlgaeBase genus|name=Deasonia|id=47171|access-date=2022-02-23}}</ref> It is found in soils.<ref name=Shubert2014>{{cite book |editor-first1=John D.|editor-last1=Wehr|editor-first2=Robert G.|editor-last2=Sheath|editor-first3=J. Patrick|editor-last3=Kociolek |date= 2014 |edition=2 |title= Freshwater Algae of North America: Ecology and Classification |last1= Shubert|first1=Elliot| last2=Gärtner |first2=Georg |chapter= Chapter 7. Nonmotile Coccoid and Colonial Green Algae |url= |location= |publisher= Elsevier Inc. |page= |isbn=978-0-12-385876-4 }}</ref>
''Deasonia'' is a single-celled organism. Young cells are ellipsoidal or ovoid, while mature cells are consistently spherical with a smooth, thickened cell wall. In young cells, the chloroplast is cup-shaped and parietal, with an off-center pyrenoid; in mature cells, the chloroplast may have bifurcations and indentations and eventually forms an irregular network, with the pyrenoid in the center. Mature cells are multinucleate.<ref name=Shubert2014/>
==References== {{Reflist|1}}
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Category:Chlamydomonadales genera Category:Chlamydomonadales
{{Chlorophyceae-stub}}