''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, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''pachyphyllus'' is from the
Greek meaning "thick leaf". Habitat is forests from sea level to altitude. ''C. pachyphyllus'' is
endemic to
Borneo.
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References
pachyphyllus
Endemic flora of Borneo
Trees of Borneo
Plants described in 1954
{{Oleaceae-stub