Quercus longinux

Quercus longinux
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Embryophytes
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Cerris
Section:	Quercus sect. Cyclobalanopsis
Species:	Q. longinux
Binomial name
	Quercus longinux; Hayata
Synonyms
	List Cyclobalanopsis kanehirae Nakai ; Cyclobalanopsis longinux (Hayata) Schottky ; Cyclobalanopsis longinux var. kanehirae (Nakai) J.C.Liao ; Cyclobalanopsis longinux var. kuoi J.C.Liao ; Cyclobalanopsis longinux var. lativiolaceifolia J.C.Liao ; Cyclobalanopsis longinux var. pseudomyrsinifolia (Hayata) J.C.Liao ; Cyclobalanopsis pseudomyrsinifolia (Hayata) Schottky ; Cyclobalanopsis taichuensis (Hayata) Schottky ; Quercus glauca subsp. longinux (Hayata) Menitsky ; Quercus glauca var. longinux (Hayata) Menitsky ; Quercus kanehirae Nakai ; Quercus longinux var. kanehirai (Nakai) J.C.Liao ; Quercus longinux var. kuoi (J.C.Liao) C.F.Shen in C.F.Shen & T.S.Liu ; Quercus longinux var. pseudomyrsinifolia (Hayata) J.C.Liao ; Quercus pseudomyrsinifolia Hayata ; Quercus taichuensis Hayata ;

Quercus longinux is an uncommon Asian species of trees in the beech family Fagaceae. It has only been found in Taiwan.^[3] It is placed in subgenus Cerris, section Cyclobalanopsis.^[4]

Quercus longinux is a tree. Leaves can be as much as 8 cm long. Acorn is up to 12 mm long, narrower than those of most other species in the subgenus.^[3]^[5]

References

↑ Carrero, C.; Strijk, J.S. (2020). "Quercus longinux". IUCN Red List of Threatened Species. 2020 e.T78968666A78968669. doi:10.2305/IUCN.UK.2020-2.RLTS.T78968666A78968669.en. Retrieved 8 July 2026.
↑ "Quercus longinux Hayata". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 8 July 2026.
1 2 Flora of China, Cyclobalanopsis longinux (Hayata) Schottky, 1912. 长果青冈 chang guo qing gang
↑ Denk, Thomas; Grimm, Guido W.; Manos, Paul S.; Deng, Min & Hipp, Andrew L. (2017). "Appendix 2.1: An updated infrageneric classification of the oaks" (xls). figshare. doi:10.6084/m9.figshare.5547622.v1. Retrieved 2023-02-24.
↑ Hayata Bunzô 1911. Journal of the College of Science, Imperial University of Tokyo 30(1): 292–293 description in Latin, commentary in English

External links

line drawing, Flora of China Illustrations vol. 4, fig. 390, drawing 3 at upper right

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[iucn-1] Carrero, C.; Strijk, J.S. (2020). "Quercus longinux". IUCN Red List of Threatened Species. 2020 e.T78968666A78968669. doi:10.2305/IUCN.UK.2020-2.RLTS.T78968666A78968669.en. Retrieved 8 July 2026.

[powo-2] "Quercus longinux Hayata". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 8 July 2026.

[naoim-3] 1 2 Flora of China, Cyclobalanopsis longinux (Hayata) Schottky, 1912. 长果青冈 chang guo qing gang

[4] Denk, Thomas; Grimm, Guido W.; Manos, Paul S.; Deng, Min & Hipp, Andrew L. (2017). "Appendix 2.1: An updated infrageneric classification of the oaks" (xls). figshare. doi:10.6084/m9.figshare.5547622.v1. Retrieved 2023-02-24.

[5] Hayata Bunzô 1911. Journal of the College of Science, Imperial University of Tokyo 30(1): 292–293 description in Latin, commentary in English

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References

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