泽漆（学名：Euphorbia helioscopia）为大戟科大戟属的植物。

二年生草本植物，含有乳汁。匙形或狭倒卵形叶子，边缘有细锯齿；春夏开花，具有大戟科特有的杯状花序。

Euphorbia helioscopia (sun spurge) is a species of spurge native to most of Europe, northern Africa, and eastward through most of Asia.

Other old folk names include wart spurge, umbrella milkweed and "madwoman's milk".