Plants tend to be bright green tending to yellowish in old plants. The holdfast is a disc of interwoven rhizoids. An erect plant, with fern like fronds. The fronds can be divided radially or laterally on the main stems.

It is found mainly in intertidal pools and can be either epiphytic or on rocks. in moderate shelter on open coasts.

Uses the suns energy.

Seaweeds of NZ; Adams
NZ Seaweeds an Illustrated Guide; Nelson