Trigonobalanus verticillata is a species of plant in the family Fagaceae. It is a tree native to Borneo, Sumatra, Sulawesi, the Malay Peninsula, and Hainan.
Description Trigonobalanus verticillata is a tree which grows to tall. The trunk has a diameter of up to at breast height. It fruits between October and March.
Range and habitat Trigonobalanus verticillata is native to the highlands of Borneo, Sumatra, Sulawesi, the Malay Peninsula, and Hainan.
It is found in tropical montane rain forest and evergreen broadleaf forest in Indonesia and Malaysia, and in tropical moist monsoon forest on Hainan, at elevations of .
On Hainan, it is often found with the trees Castanopsis tonkinensis, Lithocarpus fenzelianus, Liquidambar obovata, and Dacrydium pectinatum.
Conservation The species' conservation status is assessed as near threatened. It is threatened with habitat loss and fragmentation from deforestation, and its population is declining.
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