Quercus macrocalyx

Quercus macrocalyx
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Cerris
Section:	Quercus sect. Cyclobalanopsis
Species:	Q. macrocalyx
Binomial name
	Quercus macrocalyx; Hickel & A.Camus
Synonyms
	Quercus tsoi Chun ex Menitsky; Quercus megalocarpa A.Camus; Quercus fleuryi Hickel & A.Camus; Cyclobalanopsis nengpulaensis H.Li & Y.C.Hsu; Cyclobalanopsis macrocalyx (Hickel & A.Camus) M.Deng & Z.K.Zhou; Cyclobalanopsis fleuryi (Hickel & A.Camus) W.T.Chun; Cyclobalanopsis austroyunnanensis Hu

Quercus macrocalyx^[2] is a tree species in the beech family Fagaceae There are no known subspecies.^[3]^[4] It is placed in subgenus Cerris, section Cyclobalanopsis.^[5]

This oak tree grows up to 20 m tall and has been recorded from Vietnam, where it may be called sồi đấu to.^[6]

References

^ Carrero, C. (2019). "Quercus macrocalyx". IUCN Red List of Threatened Species. 2019: e.T78968896A78968899. doi:10.2305/IUCN.UK.2019-1.RLTS.T78968896A78968899.en. Retrieved 13 November 2022.
^ Hickel & A.Camus, 1921 In: Ann. Sci. Nat., Bot., X, 3: 383
^ Roskov Y.; Kunze T.; Orrell T.; Abucay L.; Paglinawan L.; Culham A.; Bailly N.; Kirk P.; Bourgoin T.; Baillargeon G.; Decock W.; De Wever A. (2014). Didžiulis V. (ed.). "Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist". Species 2000: Reading, UK. Retrieved 26 May 2014.
^ WCSP: World Checklist of Selected Plant Families
^ 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. Retrieved 2023-02-24.
^ Phạm Hoàng Hộ (2003) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. II publ. Nhà Xuẩt Bản Trẻ, HCMC, VN