Long, straight, flattened central stalk (stipe) with wide, flattened fronds branching outward from either side (alternate). Blades with wrinkled appearance (longitudinally corrugated). Holdfast at base is simple with a few supporting roots (haptera). Tan to dark brown. Up to 2 m long (thallus).
This is the most common canopy-forming kelp species in Victoria. The deeper occurring specimens of this alga are found in rough waters.
Subtidal rocky reefs, common in shallow waters with moderate wave action, to depth of 44 m.
Photosynthetic - sunlight
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed