''Quercus miyagii'' is a species of
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 the
Ryukyu Islands
The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and A ...
.
It is placed in subgenus ''Cerris'',
section ''Cyclobalanopsis''.
A tree typically tall, its acorns are consumed by the freshwater crabs ''
Geothelphusa grandiovata'' and ''
Candidiopotamon okinawense'', which gather them and store them in their burrows.
References
{{Taxonbar, from=Q11291842
miyagii
Flora of the Ryukyu Islands
Plants described in 1912