Acropora solitaryensis: Axial corallites are tubular and distinct. Radial corallites are immersed on older parts of colonies, becoming tubular with nariform openings on peripheral parts.

• 轴向及径向的支干很难辨别；但都有锐利的边缘.；片状周围的支干几乎是水平的；片上的支干短且直立生长