Section Aerenchyma formation and hypoxia unclear edit

The section Aerenchyma formation and hypoxia doesn't make it clear whether aerenchyma is characteristic of a kind of plant, or if the hypoxia condition causes it to happen in an existing plant, i.e. it wasn't there, but forms in response to low oxygen. -- Dough34 (talk) 14:44, 14 September 2016 (UTC)Reply