Syzygium abatakum is a species of plant in the family Myrtaceae.[1] It is locally known as kalek jambu (in Minangkabau) or kilat jambu. It is native to Sumatra.[2]
The species is a tree that grows up to in height. The leaves are oppositely arranged, and white flowers are borne on a terminal panicle/corymb. The fruits have not been observed. It most closely resembles Syzygium pyrifolium and Syzygium angbahsin.[2]
Syzygium abatakum occurs in lowland forests at an altitude of .[2]