Quercus edithiae

{{Short description|Species of oak tree}}

{{Speciesbox

| image = Quercus Edithiae Fruit.jpg

| genus = Quercus

| display_parents = 2

| parent = Quercus sect. Cyclobalanopsis

| species = edithiae

| authority = Skan 1900

| synonyms_ref = [http://www.theplantlist.org/tpl1.1/record/kew-172606 The Plant List, Quercus edithiae Skan ]

| synonyms = *Cyclobalanopsis edithiae (Skan) Schottky

• Quercus tephrosia Chun & W.C.Ko

}}

Quercus edithiae is a species of tree in the family Fagaceae and the "ring-cupped oak" sub-genus. It has been found in Vietnam and also in southern China, in the Provinces of Guangdong, Guangxi, and Hainan.[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210000367 Flora of China, Cyclobalanopsis edithiae (Skan) Schottky, 1912. 华南青冈 hua nan qing gang ] In Vietnam it is called sồi editha. It is placed in subgenus Cerris, section Cyclobalanopsis.{{Cite web |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 |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=2023-02-24 |format=xls |name-list-style=amp }}

Quercus edithiae is a tree up to 20 m. tall with hairless twigs.

The leathery leaves are glabrous, oblong-elliptic to obovate, 50-160 × 20–60 mm, with a 20–30 mm petiole.

The acorn is ellipsoid to cylindric-ellipsoid, 30-45 × 20–30 mm, with a scar approx. 7 mm in diameter.[https://www.biodiversitylibrary.org/page/16516852#page/146/mode/1up Skan, Sidney Alfred 1900. Hooker's Icones Plantarum 27(3): plate 2661 iplus subsequent unnumbered text page] description in Latin, commentary in English, full-page line drawing of Quercus edithiae