One to few cylindrical stems (stipes) arising from a disc-like (discoid) holdfast. Fronds are compressed, linear with occasional constrictions on edges. Branching occurs mostly equally in two (subdichotomous). Branches split into a fork at ends. Branch tips (apex) are rounded with dark caps. Dark red-brown. Up to 40 cm long (thallus).
This robust alga turns almost black in colour when dying.
Subtidal reef in rough waters, to depth of 21 m.
New Caledonia, New Zealand and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed