Biology:Castanopsis cuspidata

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Short description: Species of tree

Castanopsis cuspidata
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Castanopsis
Species:
C. cuspidata
Binomial name
Castanopsis cuspidata
(Thunb.) Schottky
Synonyms

Pasania cuspidata (Thunb.) Oerst.
Pasaniopsis cuspidata (Thunb.) Kudô
Quercus cuspidata Thunb.

Castanopsis cuspidata (Japanese chinquapin; Japanese tsuburajii, 円椎) is a species of Castanopsis native to southern Japan and southern Korea.

It is a medium-sized evergreen tree growing to 20–30 m tall, related to beech and oak. The leaves are 5–9 cm long and 2–4 cm broad, leathery in texture, with an entire or irregularly toothed margin.[2] It grows in woods and ravines, especially near the sea.

The cotyledon of the nut is eaten boiled or roasted.[3]

Its dead wood serves as host to many mushroom types, most notably the shiitake, whose Japanese name (椎茸) is composed of shii (椎, the Castanopsis tree), and take (茸; "mushroom").[4]

  • Bark of base of mature tree
    Bark of base of mature tree
  • Tall trunk of mature tree
    Tall trunk of mature tree
  • Slender, fountain-like canopy of mature specimen, viewed from beneath
    Slender, fountain-like canopy of mature specimen, viewed from beneath
  • Mature, deep green leaves
    Mature, deep green leaves
  • Flowering shoots
    Flowering shoots
  • Closeup of slender inflorescences
    Closeup of slender inflorescences
  • Edible seeds/nuts
    Edible seeds/nuts
  • Preserved specimen from herbarium, with descriptive notes
    Preserved specimen from herbarium, with descriptive notes
  • Dead trunk, with fruiting bodies of shiitake
    Dead trunk, with fruiting bodies of shiitake

References

  1. ↑ Barstow, M. (2018). "Castanopsis cuspidata". The IUCN Red List of Threatened Species (IUCN): e.T62004530A62004533. doi:10.2305/IUCN.UK.2018-1.RLTS.T62004530A62004533.en. 
  2. ↑ "World Species : Castanopsis cuspidata (Japanese Chinquapin)". 2009-11-04. https://worldspecies.org/ntaxa/1259133. 
  3. ↑ Youn, Un-Young; Kim, Ryeong-Hyeon; Kim, Gyo-Nam; Lee, Seung-Cheol (2017). "Antioxidant and anti-adipogenic activities of the nuts of Castanopsis cuspidata var. thunbergii". Food Science and Biotechnology 26 (5): 1407–1414. doi:10.1007/s10068-017-0183-2. ISSN 1226-7708. PMID 30263676. PMC 6049773. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6049773. Retrieved 2025-10-14. 
  4. ↑ Wasser S. (2004). "Shiitake (Lentinula edodes)". Encyclopedia of Dietary Supplements. CRC Press. pp. 653–64. ISBN 978-0-8247-5504-1. https://books.google.com/books?id=Sfmc-fRCj10C&pg=PA653. 

Wikidata ☰ Q2717620 entry




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