Any of various Australian evergreen trees or shrubs of the genusCasuarina, having jointed stems, scalelike whorled leaves, and small fruits grouped in woody, conelike structures.

• 木麻黄：一种澳大利亚常青树木或灌木木麻黄属，茎连生，叶为轮生鳞片状，果实小而聚集于木质、锥状结构中