五加科（Araliaceae）植物共有52个属，900多种；中国有22属160多种，分布在除**以外的全国各地。

本科植物和伞形科以及海桐花科亲缘最近，原来属于伞形科的天胡荽属和饰带花属根据基因分析被APG II 分类法划入五加科。五加科属的分类尚没有最终确定，有些属被归并入鹅掌柴属中，可能还有些属会被划开。

五加科植物有许多是重要的中药材，如人参、三七、西洋参、通草、五加等，五加根皮可泡制著名的五加皮酒。

此外常春藤也是常见的绿化植物。

The Araliaceae are a family of flowering plants, also known as the aralia family (after its type genus Aralia) or ivy family. The family includes 254 species of trees, shrubs, lianas, and perennial herbaceous plants in two subfamilies. Species usually bear pinnately or palmately compound leaves, and usually have small flowers produced in large panicles.