Simaba borneensis is a plant in the family Simaroubaceae. It is native to Borneo and Sumatra.
Description.
"Simaba borneensis" grows as a tree up to tall with a trunk diameter of , with buttresses. The leaves are oblong or obovate to elliptic and measure up to long and up to wide. The are . The ellispoid fruits are purplish-red and measure up to in diameter.
Taxonomy.
"Simaba borneensis" was first described as "Quassia borneensis" in 1963 by the Dutch botanist Hans Peter Nooteboom in "Flora Malesiana". In 1983, the French botanist Christian Patrice Georges-André Feuillet transferred the species to the genus "Simaba". The type specimen was collected in Sabah in Borneo. The specific epithet "borneensis" refers to Borneo.
Distribution and habitat.
"Simaba borneensis" is native to Sumatra and Borneo, where it is widely found. Its habitat is in lowland primary dipterocarp forests, occasionally in "kerangas" forests.
Conservation.
"Simaba borneensis" has been assessed as least concern on the IUCN Red List. The species is broadly distributed. However, it is threatened by deforestation and by conversion of land for agriculture and plantations. The species is not present in any protected areas.