''Shorea pinanga'' is a tree in the family

Dipterocarpaceae Dipterocarpaceae is a family (biology), family of flowering plants with 22 genera and about 695 known species of mainly lowland tropical forest trees. Their distribution is pantropical, from northern South America to Africa, the Seychelles, India ...

, 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 ...

. 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 ...

''pinanga'' is derived from a local name for the species.

Description

''Shorea pinanga'' grows up to tall, with a trunk diameter of up to . It has

buttresses A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall. Buttresses are fairly common on more ancient (typically Gothic) buildings, as a means of providing support to act a ...

up to tall. The brown to pinkish bark is initially smooth, later becoming cracked and flaky. 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 ...

ovate Ovate may refer to: * Ovate (egg-shaped) leaves, tepals, or other botanical parts *Ovate, a type of prehistoric stone hand axe * Ovates, one of three ranks of membership in the Welsh Gorsedd * Vates or ovate, a term for ancient Celtic bards ...

and measure up to long. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

s bear pink flowers.

Distribution and habitat

''Shorea pinanga'' 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. Its habitat is mixed dipterocarp forests, to elevations of .

Conservation

''Shorea pinanga'' has been assessed as

least concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

on the

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological ...

. Although the species population is declining, it is still considered abundant. The species is used for its timber. ''Shorea pinanga'' occurs in a number of protected areas.

References

pinanga ''Pinanga'' is a genus of flowering plant of the palm family in the subtribe Arecinae. It is native to eastern and southern Asia (India, China, Indo-China, Malesia) across to New Guinea. Species Accepted species: * '' Pinanga acaulis'' Ridl. ...

Endemic dipterocarps of Borneo Flora of the Borneo lowland rain forests Plants described in 1870 Taxa named by Rudolph Scheffer {{Dipterocarpaceae-stub