''Microtropis sumatrana'' is a tree in the family

Celastraceae The Celastraceae (staff-vine or bittersweet) are a family of 98 genera and 1,350 species of herbs, vines, shrubs and small trees, belonging to the order Celastrales. The great majority of the genera are tropical, with only ''Celastrus'' (the staf ...

. It is named for

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

Description

''Microtropis sumatrana'' grows up to tall, with a trunk diameter of up to . The smooth bark is grey. The leathery leaves are

elliptic In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. It generalizes a circle, which is the special type of ellipse in ...

and measure up to long. The fruits measure up to long.

Distribution and habitat

''Microtropis sumatrana'' is native 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 ...

and Sumatra. Its habitat is forests to elevations of .

References

sumatrana Flora of Borneo Flora of Sumatra Plants described in 1934 Taxa named by Elmer Drew Merrill {{Celastraceae-stub