Pentace laxiflora
{{Short description|Species of tree}}
{{Speciesbox
|status = LC
|status_system = IUCN3.1
|genus = Pentace
|species = laxiflora
|authority = Merr., Philip. J. Sci. 30 (1926)
}}
Pentace laxiflora is a species of flowering plant in the family Malvaceae sensu lato or Tiliaceae. It is a tree endemic to Borneo. Its conservation status has been listed by the International Union for Conservation of Nature as being of least concern.
Description
Pentace laxiflora is a medium-sized tree growing to a height of about {{convert|30|m|ft|-1|abbr=on}}, the trunk having a maximum diameter of {{convert|50|cm|in|0|abbr=on}}. The leaves have short stalks with a pair of small stipules at the base, and are alternate, usually hairless, lanceolate and whitish underneath. The inflorescence is a lax panicle with small, widely separated, creamy-coloured flowers, each about {{convert|7|mm|in|1|abbr=on}} in diameter. The seeds are winged nuts, about {{convert|14|mm|in|1|abbr=on}} in diameter.{{cite web |url=http://www.asianplant.net/Malvaceae/Pentace_laxiflora.htm |title=Pentace laxiflora Merr., Philip. J. Sci. 30 (1926) |publisher=AsianPlant.net |accessdate=10 April 2020}}
Distribution and habitat
Pentace laxiflora is endemic to Borneo where it is found in Brunei, Sabah, Sarawak and Kalimantan, its total area of occurrence being about {{convert|250000|km2|mi2|-2|abbr=on}}. It grows in mixed dipterocarp forests, both primary and secondary, at altitudes of up to {{convert|600|m|ft|-2|abbr=on}}.
Uses
The timber of this tree is used in building and construction, often as a substitute for red meranti (Shorea).{{cite book|author1=Schulte, Andreas |author2= Schene, Dieter Hans-Friedrich |title=Dipterocarp Forest Ecosystems: Towards Sustainable Management |url=https://books.google.com/books?id=oHNzvs02F5wC&pg=PA99 |year=1996 |publisher=World Scientific|isbn=978-981-02-2729-6 |page=99}} Its uses include house, boat and truck building, and the production of tool handles, plywood and veneer.
Status
Much of the lowland dipterocarp forest in Borneo is being cleared for timber and to be used for agriculture and for the establishment of plantations for growing oil palms and pulpwood. How much impact this is having on the populations of Pentace laxiflora is unclear, but it is a common species in at least part of its range, and where it is logged in Malaysia (Sabah and Sarawak), the timber harvesting is managed in forestry concessions. For these reasons, the conservation status of this tree has been assessed by the International Union for Conservation of Nature as being of least concern, as the tree does not currently meet the criteria for a more threatened category.
References
{{Reflist|refs=
{{Cite journal | author = Barstow, M. | author2 = Anak Sang, J. | author3 = Bodos, V. | title = Pentace laxiflora | journal = The IUCN Red List of Threatened Species | page = e.T61786730A61786744 | publisher = IUCN | date = 2018 | url = https://www.iucnredlist.org/species/61786730/61786744 | doi = 10.2305/IUCN.UK.2018-1.RLTS.T61786730A61786744.en | access-date = 10 April 2020| doi-access = free }}
}}
{{Taxonbar|from=Q17580819}}