Castanopsis sieboldii

{{Short description|Species of flowering plant}} {{Speciesbox |image = Castanopsis sieboldii2.jpg | status = LC | status_system = IUCN3.1 | status_ref = <ref name=IUCN>{{cite iucn |author= Botanic Gardens Conservation International (BGCI) & IUCN SSC Global Tree Specialist Group |date=2019 |title= ''Castanopsis sieboldii'' |volume=2019 |article-number= e.T136775740A136775742 |doi= 10.2305/IUCN.UK.2019-1.RLTS.T136775740A136775742.en |access-date=July 27, 2025}}</ref> |genus = Castanopsis |species = sieboldii |authority = (Makino) Hatus. |subdivision_ranks = Varieties |subdivision = *''Castanopsis sieboldii'' var. ''lutchuensis'' {{small|(Koidz.) T.Yamaz. & Mashiba}} *''Castanopsis sieboldii'' var. ''sieboldii'' |subdivision_ref = <ref name = POWO/> |synonyms = {{species list |header = Homotypic Synonyms |hidden = yes |Castanopsis cuspidata var. sieboldii |(Makino) Nakai |Lithocarpus cuspidatus var. sieboldii |(Makino) Nakai |Lithocarpus sieboldii }|(Makino) Nakai |Pasania cuspidata var. sieboldii |Makino |Pasania sieboldii |(Makino) Makino |Pasaniopsis sieboldii |(Makino) Kudô |Shiia sieboldii |(Makino) Makino |Synaedrys sieboldii |(Makino) Koidz.}} |synonyms_ref =<ref name=POWO/> }}

'''''Castanopsis sieboldii''''' is a species of flowering plant in the family ''Fagaceae''.<ref name=POWO>{{cite web |url= https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:50956789-1 |title= Castanopsis sieboldii (Makino) Hatus. |author= |date=n.d. |website=Plants of the World Online |publisher=The Trustees of the Royal Botanic Gardens, Kew |access-date=July 27, 2025}}</ref><ref name=COL>{{cite web |url= https://www.catalogueoflife.org/data/taxon/RP4Y |title= Castanopsis sieboldii (Makino) Hatus. |author= |date=n.d. |website=Catalogue of Life |publisher=Species 2000 |access-date=July 27, 2025}}</ref> This evergreen tree is sometime referred to by the common names '''Itajii chinkapin''' or '''Itajii'''. It is native to Japan, including the Ryukyu Islands, and Korea.<ref name=POWO/><ref>{{cite web|url=http://shikigami.net/forest/shii-castanopsis-sieboldii/|title=Shii (Castanopsis sieboldii)|work=Thinking Like a Forest}}</ref><ref>{{cite web|url=http://lifeinkochi.net/2012/08/a-japanese-useful-tree-castanopsis//|title=A Japanese useful tree: Castanopsis - Life in Kochi|work=Life in Kochi}}</ref>

This is a climax species that is commonly found in the Japanese temperate rainforest.<ref>{{cite web|url=http://scholarspace.manoa.hawaii.edu/handle/10125/22712|title=Canopy Multilayering and Woody Species Diversity of a Subtropical Evergreen Broadleaf Forest, Okinawa Island.|work=hawaii.edu}}</ref> Specimens are also present within the forest area of the Tokyo Imperial Palace.

''Castanopsis sieboldii'' was once thought to be a subspecies of the similar ''Castanopsis cuspidata''.

Plants and animals associated with this tree include:

*''Mitrastemon yamamotoi'', a non-photosynthetic plant that parasitizes ''Castanopsis sieboldii''. *''Aspidistra elatior'', the cast-iron plant, grows in the understorey. *''Acrocercops mantica'', ''Chrysocercops castanopsidis'', and ''Lymantria albescens''<ref>{{cite web|url=http://mothphotographersgroup.msstate.edu/species.php?hodges=19458|title=Moth Photographers Group – Lymantria albescens – 19458|work=msstate.edu}}</ref> larvae of these Asian moths likely mine the leaves. *''Amantis nawai'', a small praying mantis species native to Eastern Asia is known to live around ''C. sieboldii'' where it eats insects. *Okinawa rail, a Japanese bird, lives among these trees.

==Gallery== <gallery class="center" > File:Castanopsis sieboldii flower female.jpg|Flower, female File:Castanopsis sieboldii nuts01.jpg|Nuts File:Castanopsis sieboldii5.jpg|Bark </gallery>

==References== {{Commons category|position=left|Castanopsis sieboldii}} {{Reflist}}

sieboldii Category:Flora of Japan Category:Flora of Korea Category:Flora of the Ryukyu Islands Category:Least concern flora of Asia Category:Taxa named by Tomitaro Makino