Species group: aspera. Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order absent; length: 5 0 – 100 mm; diameter:> 19.9 mm, axial-dominated, tapering; radial crowding: some touching; axial / radial ratio:> 1: 10. Axial corallites: three synapticular rings; porous; outer diameter 2.7 – 3.4 mm; inner diameter 0.8 – 1.6 mm; primary septa to 1 / 3 R. Radial corallites: medium; two synapticular rings; two sizes; inner wall not developed; shape: dimidiate / lipped; openings: horizontal lip; primary septa to 1 / 3 R. Coenosteum: different on and between radials: between radials: reticulate, on radials: costate; spinule shape: single point.
Sumber: Revision and catalogue of worldwide staghorn corals Acropora and Isopora (Scleractinia: Acroporidae) in the Museum of Tropical Queensland