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Quercus augustinii is a rare species of tree in the family Fagaceae and the "ring-cupped oak" sub-genus. It has been found in Vietnam as well as Guangxi, Guizhou, and Yunnan Provinces in southern China.[3]

Quercus augustinii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Cyclobalanopsis
Species:	Q. augustinii
Binomial name
Quercus augustinii Skan
Synonyms[1][2]
Synonymy Quercus augustini Skan Cyclobalanopsis augustini (Skan) Schottky Cyclobalanopsis augustinii (Skan) Schottky Cyclobalanopsis nigrinux Hu Pasania chiwui Hu Quercus glabricupula Barnett

Quercus augustinii is a tree up to 10 m. tall, with orange-brown twigs and leaves as much as 120 mm long. The acorn is oblong-ovoid, 10-17 × 8-12 mm, glabrous, apex rounded or slightly depressed; scar approx. 6 mm in diameter.[4][5]

References

External links

• photo of herbarium specimen at Missouri Botanical Garden, collected in Yunnan
• line drawing, Flora of China Illustrations vol. 4, fig. 381, 7

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