Long relatively straight central stalk (stipe) with strongly zig-zagged flattened branches arising in an alternating pattern on one plane which have sub-branches. Branchlets (ramuli) are arranged on one plane in an alternate arrangement becoming evenly divided (sub-dichotomous). Holdfast at base is a simple and disc-conical shaped. Medium brown. Up to 80 cm long (thallus).
This species can often be seen close to shore, in deep rock pools or during very low tides at the water edge.
Subtidal rocky reefs and large tidal pools, common in shallow waters with moderate wave action, to depth of 21 m.
Photosynthetic - sunlight
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed