Very large colonies that frequently grow like staggered and irregular table-like structures or like very thorny bushes. With short spiky branches that fuse with nearby ones.

Colony shape: Table

Colony layout: Disorderly

Branch thickness: 10-20 mm

Axial corallites: Tubular small and abundant.

Radial corallites: Tubular and tubular appressed with nariform opening, next to each other and in different sizes.

Coenosteum: Rough

Polyp extension: Poor