[3] The seaweed has a green to grey-green thallus that typically grows to outward to around 30 centimetres (11.8 in).

[3] It has small blades that have serrated edges and grow upward from long, cylindrically shaped runners anchored to the substrate.

The blades are light to medium mint green in colour, frequently with bluish tints.

[1] In Western Australia, it is found along the coast in the Kimberley region extending south to the Gascoyne.

This seaweed is said to be edible and is used to lower blood pressure and as an antibacterial and antifungal agent in medicines.