Gonystylus augescensGonystylus augescens is a flowering plant in the family Thymelaeaceae. It is native to Borneo.DescriptionGonystylus augescens grows as a tree up to tall. The twigs are dark brown. The fruit is ellipsoid, reddish brown, up to long.TaxonomyGonystylus augescens was first described in 1946 by English botanist Henry Nicholas Ridley in the Kew Bulletin. The lectotype was collected in Sarawak in Borneo. The specific epithet augescens means 'elongating', referring to the inflorescence.Distribution and habitatGonystylus augescens is endemic to Borneo, where it is confined to Sarawak. Its habitat is lowland mixed dipterocarp forest to elevations of.ConservationGonystylus augescens has been assessed as endangered on the IUCN Red List. Its habitat is threatened by deforestation and by conversion of land for agriculture. The species is present in one protected area, Kubah National Park.