Hopea fluvialis
Hopea fluvialis is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet fluvialis means "of rivers", referring to species' habitat. Description
Hopea fluvialis grows up to  tall, with a trunk diameter of up to . It may also have buttresses and stilt roots. The bark is smooth. The leaves are lanceolate to ovate and measure up to  long. The inflorescences measure up to  long and bear up to seven cream flowers. The nuts are egg-shaped and measure up to  long. Distribution and habitat
Hopea fluvialis is endemic to Borneo. Its habitat is lowland dipterocarp forests by rivers, to elevations of . Conservation
Hopea fluvialis has been assessed as near threatened on the IUCN Red List. It is threatened by land conversion for tree plantations and agriculture and by logging for its timber. In Sarawak, fires are also a threat. The species is found in two protected areas in Sarawak. References

fluvialis
Endemic dipterocarps of Borneo
Flora of the Borneo lowland rain forests
Plants described in 1962