喜树（学名：Camptotheca acuminata），中国特有植物。多年生木本植物。生长在长江以南。药用价值高。

• 喜树 Xishu 药用植物图像数据库 (香港浸会大学中医药学院) （中文）（英文）
• 喜树堿 Camptothecin 中草药化学图像数据库 (香港浸会大学中医药学院) （中文）（英文）

Camptotheca (happy tree, cancer tree, or tree of life) is a genus of medium-sized deciduous trees growing to 20 metres (66 ft) tall, native to southern China and Tibet. The genus is usually included in the tupelo family Nyssaceae, but sometimes included (with the tupelos) in the dogwood family Cornaceae.