Quercus griffithii
{{Short description|Species of plant in the genus Quercus}}
{{Speciesbox
|image=Quercus griffithii in Hackfalls Arboretum (3).jpg
|image_caption=Quercus griffithii in Hackfalls Arboretum
|status = LC
|status_system = IUCN3.1
|status_ref = {{cite iucn |author=Carrero, C. |title=Quercus griffithii |page=e.T194135A2302249 |year=2019 |access-date=5 May 2024}}
|genus=Quercus
|display_parents = 2
|parent = Quercus sect. Quercus
|species=griffithii
|authority=Hook.f. & Thomson ex Miq.Ann. Mus. Bot. Lugduno-Batavi 1: 104 (1864)
}}
Quercus griffithii, called paisang, is a species of oak native to the eastern Himalayas, Tibet, south-central and southeast China, Assam, Myanmar, Thailand, Laos, and Vietnam.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:296220-1 |title=Quercus griffithii Hook.f. & Thomson ex Miq. |author= |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=16 October 2020 }} It is in the subgenus Quercus, section Quercus.{{Citation |last1=Denk |first1=Thomas |last2=Grimm |first2=Guido W. |last3=Manos |first3=Paul S. |last4=Deng |first4=Min |last5=Hipp |first5=Andrew L. |date=2017-11-02 |title=Appendix 2.1: An updated infrageneric classification of the oaks |website=figshare |doi=10.6084/m9.figshare.5547622.v1 |url=https://figshare.com/articles/dataset/Appendix_2_1_________An_updated_infrageneric_classification_of_the_oaks/5547622/1 |access-date=2023-02-17 |format=xls |name-list-style=amp |mode=cs1}} Some authorities feel that it could be a synonym of Quercus aliena var. acutiserrata. It is a deciduous tree reaching {{Convert|25|m|abbr=off}} with an oblong crown, typically found from {{Convert|700 to 2,800|m|abbr=on}} above sea level.{{cite web |url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200006294 |title=大叶栎 da ye li |author= |date= |website=Flora of China |publisher=efloras.org |access-date=16 October 2020 }} It is a locally important fuelwood and fodder species.{{cite journal |doi=10.1007/s00267-014-0383-y |title=Paisang (Quercus griffithii): A Keystone Tree Species in Sustainable Agroecosystem Management and Livelihoods in Arunachal Pradesh, India |year=2015 |last1=Singh |first1=Ranjay K. |last2=Singh |first2=Anshuman |last3=Garnett |first3=Stephen T. |last4=Zander |first4=Kerstin K. |last5=Lobsang |last6=Tsering |first6=Darge |journal=Environmental Management |volume=55 |issue=1 |pages=187–204 |pmid=25343981 |bibcode=2015EnMan..55..187S |s2cid=24160034 }}