''Chionanthus pachyphyllus'' grows as a tree up to tall, with a trunk diameter of up to . The bark is light brown. The flowers are yellow. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

''pachyphyllus'' is from the Greek meaning 'thick leaf'. Habitat is forests from sea level to altitude. ''C. pachyphyllus'' is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...

References

pachyphyllus Endemic flora of Borneo Trees of Borneo Plants described in 1954 {{Oleaceae-stub