''Aetoxylon'' is a single species genus (

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

) of trees only found (

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 ...

) in

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 ...

, of the

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

family

Thymelaeaceae The Thymelaeaceae are a cosmopolitan family (biology), family of flowering plants composed of 50 genera (listed below) and 898 species.Zachary S. Rogers (2009 onwards)A World Checklist of Thymelaeaceae (version 1) Missouri Botanical Garden Webs ...

. The single species is ''Aetoxylon sympetalum'', commonly known as gaharu buaya or crocodile eaglewood. ''Aetoxylon sympetalum'' grows as a tree up to tall, with a trunk diameter of up to . Bark is dark brown to black. Fruit is reddish brown, up to in diameter. 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 ...

''sympetalum'' is from the

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

meaning "united petals". Habitat is lowland forests from sea level to altitude.

References

Octolepidoideae Monotypic Malvales genera Endemic flora of Borneo Trees of Borneo Flora of the Borneo lowland rain forests Thymelaeaceae genera {{Thymelaeaceae-stub