Long compressed and strongly backwards (retroflex) zigzagged central stalk (stipe) with long strongly zigzagged secondary branches (laterals) arising in an alternating pattern. Secondary branches are further branched in vertical rows on three sides giving rise to branchlets (ramuli). Branchlets are singular or forked in an alternate pattern, ending in reproductive structures (receptacles). Vesicles are tapered at both ends, attached to laterals by a short stem (petiole) and scattered over secondary branches. Holdfast at base is a simple and disc-conical shaped. Dark brown. Up to 60 cm long (thallus).
This species is often found growing near Cystophora monilifera.
Subtidal rocky reefs and tidal pools, moderate wave action, to depth of 4 m.
Photosynthetic - sunlight
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed