ʻOku faingofua ʻo fakapupungaʻi kinautolu ʻi he tengaʻiʻakau telefua (gymnospermae). Ko e ʻakau matala ko e taha pē ia ʻi he pupunga ʻo e tengaʻiʻakau ʻufiʻufi (angiospermae).