Syzygium abatakum is a species of flowering plant in the family Myrtaceae native to Sumatra, where it is known as kalek jambu (in Minangkabau) or kilat jambu.
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.
Syzygium abatakum occurs in lowland forests at elevations between .
References