瓶子草科共包括3属17种，全部原生于美洲。眼镜蛇瓶子草属和瓶子草属原生于北美洲，太阳瓶子草属原生于南美洲。眼镜蛇瓶子草属(Darlingtonia)产地主要在加州北部和俄勒冈州南部的山区，在加州海拔较低的沿海湿地，也有零星的群落。瓶子草属主要分布在美国东南部的贫瘠湿地中，该属里的紫瓶子草(Sarracenia purpurea)分布区域最广，会一直延伸到加拿大境内，因其分布纬度的差异，也分成了南方(ssp. venosa)和北方(ssp. purpurea)两个亚种。太阳瓶子草属生长在委内瑞拉、巴西和圭亚拉接壤的特普伊山上。

The Sarraceniaceae are a family of pitcher plants, belonging to order Ericales (previously Nepenthales).

The family comprises three extant genera: Sarracenia (North American pitcher plants), Darlingtonia (the cobra lily or California pitcher plant), and Heliamphora (sun pitchers). The extinct Archaeamphora longicervia may also belong to this family. The first two are native to North America while Heliamphora is native to South America. All three are carnivorous plants that lure insects with nectar and use their elongated, tube-shaped leaves filled with water and digestive enzymes (or bacteria in the case of Darlingtonia) to catch and consume them. Many species also use downward-pointing hairs and waxy secretions to make it difficult for insects to escape.