Long strongly zig-zagged central stalk (stipe) appearing oval-shaped (in cross section) with strongly zig-zagged flattened branches arising in an alternating pattern on one plane which have sub-branches. Branchlets (ramuli) are usually found towards the tips of the branches and are arranged on one plane evenly on both sides (pinnate, or fern-like arrangement) of the sub-branch which has a narrow vein (rib) along the mid section. Holdfast at base is a simple and disc-conical shaped. Medium to dark brown. Up to 80 cm long (thallus).
This species usually occurs in deeper water and can be found in drift.
Subtidal rocky reefs, at depths from 10 to 21 m.
Photosynthetic - sunlight
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed