Quercus annulata

Quercus annulata[1] is the accepted name of a tree species in the Asian sub-genus of 'ring-cupped oaks' and the family Fagaceae; there are no known subspecies.[2][3]

Quercus annulata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Cyclobalanopsis
Species:
Q. annulata
Binomial name
Quercus annulata
Synonyms

Quercus phullata Buch.-Ham. ex D.Don
Quercus glauca subsp. annulata
Cyclobalanopsis annulata (Sm.) Oerst.

This oak tree has oblong, caudate leaves, 100–120 mm with glaucous undersides.[4] It has been recorded from the Himalayas to Vietnam:[2] the latter in the Phan Xi Păng area, where it may be called sồi vòng.[4]

References
  1. A.Rees, 1819 In: Cycl. 29: 22
  2. 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.
  3. WCSP: World Checklist of Selected Plant Families
  4. Phạm Hoàng Hộ (2003) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. II publ. Nhà Xuẩt Bản Trẻ, HCMC, VN
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