Symplocos colombonensis is a plant in the family Symplocaceae, native to Borneo. It is named for the Colombon River in Sabah.
Description Symplocos colombonensis grows as a shrub or tree up to tall. The brown twigs have a zig-zag shape. The leaves are ovate and measure up to long. The inflorescences feature racemes of three flowers.
Distribution and habitat Symplocos colombonensis is endemic to Borneo, where it is confined to Mount Kinabalu in Sabah. Its habitat is montane forests, at elevations of .
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