角柱花属（学名：Ceratostigma）是蓝雪科下的一个属，为草本或灌木植物。该属共有8种，分布于热带非洲至缅甸、泰国。

Ceratostigma (/ˌsɛrətoʊˈstɪɡmə, sᵻˌræ-/;), or leadwort, plumbago, is a genus of eight species of flowering plants in the family Plumbaginaceae, native to warm temperate to tropical regions of Africa and Asia. Common names are shared with the genus Plumbago.