女桢是木樨科女桢属植物，又称蜡树、青蜡树、白蜡树、大叶蜡树等。

女桢树是女桢属植物中高大的品种，高可达25米，为常绿灌木或乔木。叶对生，革质，卵状披针形，6-17厘米长，3-8厘米宽；初夏开白色小花，两性，裂片4，组成聚伞花序再排成顶生的圆锥花序；果实为浆果状核果，成熟时为蓝黑色。

Ligustrum lucidum (broad-leaf privet, Chinese privet glossy privet, tree privet or wax-leaf privet) is a species of privet (Ligustrum genus), a flowering plant in the olive family, Oleaceae, native to the southern half of China and naturalized in many places: Spain, Italy, Algeria, Canary Islands, New Zealand, Lesotho, South Africa, Japan, Korea, Australia, Norfolk Island, Chiapas, Central America, Argentina, and the southern United States (California, Arizona, Maryland, and the southeast from Texas to North Carolina). The name "Chinese privet" is more frequently used for Ligustrum sinense.