Hopea fluvialis

{{Short description|Species of tree in the family Dipterocarpaceae}}

{{Speciesbox

| image =

| image_caption =

| status = NT

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Bodos, V. |author2=Kusumadewi, Y. |author3=Wilkie, P. |author4=Oldfield, S. |author5=Randi, A. |author6=Linsky, J. |author7=Tsen, S. |date=2019 |title=Hopea fluvialis |volume=2019 |page=e.T31902A149069689 |doi=10.2305/IUCN.UK.2019-3.RLTS.T31902A149069689.en |access-date=20 November 2021}}

| genus = Hopea

| species = fluvialis

| authority = P.S.Ashton

| synonyms =

}}

Hopea fluvialis is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet fluvialis means "of rivers", referring to species' habitat.

Description

Hopea fluvialis grows up to {{convert|25|m|-1}} tall, with a trunk diameter of up to {{convert|80|cm|-1|abbr=on}}. It may also have buttresses and stilt roots. The bark is smooth. The leaves are lanceolate to ovate and measure up to {{convert|12|cm|0|abbr=on}} long. The inflorescences measure up to {{convert|6|cm|0|abbr=on}} long and bear up to seven cream flowers. The nuts are egg-shaped and measure up to {{convert|1.1|cm|1|abbr=on}} long.

Distribution and habitat

Hopea fluvialis is endemic to Borneo. Its habitat is lowland dipterocarp forests by rivers, to elevations of {{convert|970|m|-3|abbr=on}}.

Conservation

Hopea fluvialis has been assessed as near threatened on the IUCN Red List. It is threatened by land conversion for tree plantations and agriculture and by logging for its timber. In Sarawak, fires are also a threat. The species is found in two protected areas in Sarawak.

References

{{Reflist | refs =

{{BioRef | powo | title = Hopea fluvialis | id = 320892-1 | accessdate = 3 September 2021}}

{{cite book | last = Ashton | first = P. S. | authorlink = Peter Shaw Ashton | date = 2004 | contribution = Hopea Roxb. | editor1-last = Soepadmo | editor1-first = E. | editor2-last = Saw | editor2-first = L. G. | editor3-last = Chung | editor3-first = R. C. K. | title = Tree Flora of Sabah and Sarawak | volume = 5 | pages = 160 | publisher = Forest Research Institute Malaysia | isbn = 983-2181-59-3}}

}}

fluvialis

Category:Endemic dipterocarps of Borneo

Category:Flora of the Borneo lowland rain forests

Category:Plants described in 1962

Category:Taxa named by Peter Shaw Ashton