薄子木属（Leptospermum）为桃金娘科下的一属，约有80至86个物种。大部分为澳大利亚特有种，个别分布至新西兰、马来西亚，“L. recurvum”为马来西亚特有种。

薄子木属植物为灌木，偶尔为小型乔木，高1至8米，极少数可达20米，分支密集。叶片常绿，互生，单一，锐尖，小型，大部分物种叶片的长度很少超过1厘米。花直径可达3厘米，花瓣五片，可为白色、粉色或红色。

Leptospermum /ˌlɛptəˈspɜːrməm, -toʊ-/ is a genus of shrubs and small trees in the myrtle family Myrtaceae described as a genus in 1775. Most species are endemic to Australia, with the greatest diversity in the south of the continent; but one species extends to New Zealand, another well into Southeast Asia, and L. recurvum is found only in Malaysia and Indonesia.