Flat bladed alga with irregular divided branching which arises as a split in an existing blade at the tip (apicial). Blades broad with lateral wings giving a ragged appearance. Blade tips are fan-shaped with notches at edge. Holdfast at base is thick, matted and root-like (rhizoidal). Light to dark brown. Up to 25 cm long (thallus).
The upper parts of the fronds of this seaweed are covered with a network of hydroids, Scoresbia daidala.
Subtidal rocky reefs, to depth of 25 m.
Easter Island, Indonesia, India, Chile and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed