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''Quercus mongolica'', commonly known as Mongolian oak, is a species of 
The flavono-ellagitannins mongolicin A and B can be found in ''Quercus mongolica var. grosseserrata''.
line drawing, Flora of China Illustrations vol. 4, fig. 365, 1-3
mongolica Flora of Siberia Flora of Mongolia Flora of China Flora of Eastern Asia Plants described in 1850 Trees of Siberia Trees of Russia Trees of continental subarctic climate Plants with extrafloral nectaries {{Quercus-stub
oak
An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...
native to Japan, China, Korea, Mongolia, and Siberia. The species can grow to be tall.
The flavono-ellagitannins mongolicin A and B can be found in ''Quercus mongolica var. grosseserrata''.
Extrafloral nectaries
Nectar is a viscous, sugar-rich liquid produced by plants in glands called nectaries, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists, ...
have been reported on the leaf buds of this species.
References
External links
line drawing, Flora of China Illustrations vol. 4, fig. 365, 1-3
mongolica Flora of Siberia Flora of Mongolia Flora of China Flora of Eastern Asia Plants described in 1850 Trees of Siberia Trees of Russia Trees of continental subarctic climate Plants with extrafloral nectaries {{Quercus-stub