Glycosmis longisepala is a tree of Borneo in the family Rutaceae. The specific epithet is from the Latin meaning "long sepal".
Description Glycosmis longisepala grows as a small tree. The leaves measure up to long. The inflorescences measure up to long. The subellipsoid fruits measure up to long.
Distribution and habitat Glycosmis longisepala is endemic to Borneo where it is confined to Mount Pueh in Sarawak. Its habitat is forests at around elevation.
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