''Styrax paralleloneurus'' (syn. ''Styrax sumatranus'') is a species of ''

Styrax ''Styrax'' (common names storax or snowbell) is a genus of about 130 species of large shrubs or small trees in the family Styracaceae, mostly native to warm temperate to tropical regions of the Northern Hemisphere, with the majority in eastern ...

'' native to

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. ...

and

Peninsular Malaysia Peninsular Malaysia, historically known as Malaya and also known as West Malaysia or the Malaysian Peninsula, is the western part of Malaysia that comprises the southern part of the Malay Peninsula on Mainland Southeast Asia and the list of isla ...

. It is the main source of benzoin Sumatra or Sumatran benzoin,. Its

balsam Balsam is the resinous exudate (or sap) which forms on certain kinds of trees and shrubs. Balsam (from Latin ''balsamum'' "gum of the balsam tree," ultimately from a Semitic source such as ) owes its name to the biblical Balm of Gilead. Ch ...

resin A resin is a solid or highly viscous liquid that can be converted into a polymer. Resins may be biological or synthetic in origin, but are typically harvested from plants. Resins are mixtures of organic compounds, predominantly terpenes. Commo ...

is superior to that of ''

Styrax benzoin ''Styrax benzoin'' is a species of tree native to Indochina and western Malesia. Common names for the tree include gum benjamin tree, loban (in Arabic), kemenyan (in Indonesia and Malaysia), onycha, and Sumatra benzoin tree. Distribution It is ...

'', another source of benzoin Sumatra, as the latter dries slowly and remains sticky, hence more inpurities.

References

{{Taxonbar, from=Q6134690 paralleloneurus