Xanthophyllum Borneense
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''Xanthophyllum borneense'' is a tree in the family
Polygalaceae The Polygalaceae or the milkwort family are made up of flowering plants in the order Fabales. They have a near-cosmopolitan range, with about 27 genera and ''ca''. 900 known species of herbs, shrubs and trees. Over half of the species are in on ...
. It is named for
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 ...
.


Description

''Xanthophyllum borneense'' grows up to tall. The bark is grey-green and smooth. The flowers are pale brownish, drying orange. The pale brown fruits are round to
ovoid An oval () is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas of mathematics (projective geometry, technical drawing, etc.), it is given a more precise definition, which may inc ...
and measure up to in diameter.


Distribution and habitat

''Xanthophyllum borneense'' 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 ...
to
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 ...
. Its habitat is riverine forests and on hills, from sea-level to altitude.


References

borneense Endemic flora of Borneo Trees of Borneo Plants described in 1864 Taxa named by Friedrich Anton Wilhelm Miquel {{rosid-tree-stub