''Upuna'' is a monotypic genus of plants containing the single species ''Upuna borneensis''. The genus name ''Upana'' is derived from its

Iban IBAN or Iban or Ibán may refer to: Banking * International Bank Account Number Ethnology * Iban culture * Iban language The Iban language () is spoken by the Iban, one of the Dayak ethnic groups who live in Brunei, the Indonesian provinc ...

name, upan. The species name ''borneensis'' refers to its distribution, being found only in

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 ...

. It is native to lowland mixed dipterocarp forests up to 400 meters elevation. It is a heavy hardwood similar to ''

Vatica ''Vatica'' is a genus of plants in the family Dipterocarpaceae. Its species range from India and southern China through Sri Lanka, Indochina, Indonesia, the Philippines, and New Guinea. Species , ''Plants of the World Online'' accepted the fo ...

''. While ''Upuna borneensis'' occurs in protected areas, it is threatened by logging, expansion of

palm oil Palm oil is an edible vegetable oil derived from the mesocarp (reddish pulp) of the fruit of oil palms. The oil is used in food manufacturing, in beauty products, and as biofuel. Palm oil accounted for about 36% of global oils produced from o ...

plantations and increasing frequency of fires.

References

Dipterocarpaceae Dipterocarpaceae genera Monotypic Malvales genera Endemic dipterocarps of Borneo Flora of the Borneo lowland rain forests Taxonomy articles created by Polbot {{Dipterocarpaceae-stub