marram grass (redirected from Ammophila arenaria)
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Related to Ammophila arenaria: Marram grass
, European dune grass
marram grass Ammophila arenaria, a grass found on coastal sand dunes. It is a XEROPHYTE that is capable of rolling its leaves to prevent water loss in dry conditions. It has deeply running stems (RHIZOMES) and roots that bind the sand in the dunes and thus is often planted to stabilize dune systems.