Cratoxylum glaucum is a species of flowering plant in the family Hypericaceae. It is a tree native to Borneo, Peninsular Malaysia, and Sumatra.
The species was described by Pieter Willem Korthals in 1848. The specific epithet is from the Latin meaning 'blue-green', referring to the colour of the leaf underside.
Description Cratoxylum glaucum grows as a shrub or tree measuring up to tall with a diameter of up to . The flaky bark is reddish brown. The flowers are crimson. The fruits measure up to long.
Distribution and habitat Cratoxylum glaucum grows naturally in Sumatra, Peninsular Malaysia and Borneo (including offshore islands). Its habitat is primary and secondary lowland rain forests (including kerangas forests and peat swamp forests) from sea-level to elevation.
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