Linear leaves with 3 longitudinal veins (1 is prominent). Two to four leaves per shoot. Apex of leaf is rounded and notched. Shoots are short (1-2 cm) and arise from rhizome nodes. Roots occur at nodes of rhizomes. Leaves medium green. Up to 10 cm long (leaves), can be to 60 cm when permanently submerged.
This species is sensitive to increased nutrient levels in the sediment. It flowers and fruits between October and March. Each plant is both male and female (monecious). This and other species of seagrass are important habitat for many invertebrates, fish and algae. They also provide carbon fixation and are impacted by physical disturbance, pollutants, sedimentation and changes in sea level.
Soft sediments, intertidal and shallow subtidal including lagoons and estuaries, sheltered waters, to depth of 1 m.
New Zealand and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed