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(First upload on August 28 2007. Last on September 22 2017) [ 日本語 | English ]

Quercus dentata Thunb.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Quercus L. (コナラ)
Kashiwa (カシワ, 柏/槲), Japanese emperor oak, Kashiwa oak or Daimyo oak
Lifeform: deciduous tree
Distribution: Hokkaido-Kyushu, Japan, Korea and China
Habitat: on poor soils, such as coastsides, also in inland in the case of Hokkaido
Seed dispersal: gravity (or cache)
Bark (樹皮) observed at Oshoro Bay (忍路湾) on November 2 2013
f. laciniata (Makino) Kitam. et T. Horik. (クジャクガシワ)
f. pinnatifida (Franch. et Sav.) Rehder (ハゴロモガシワ)
f. pinnatiloba (Makino) Kitam. et T. Horik. (ホウオウガシワ)
索引

Quercus dentata in Asia


ST1 ST2 ST3
ST4 ST5 ST6
[1] the tree shape often becomes dwarf-form, and sprouting is remarkable. [2] this species often makes natural coastal forest in Hokkaido. [3] we see many traces made by insect damages. [4] a forest dominated by Q. dentata. [1-4] near Muroran Marine Station. [1-3] on August 20 2007. [4] on September 7 2009. [5] on Arutori Cape, Date City, facing to Funkda Bay, on July 25 2013. The back-sides of leaves could be seen well, because it was windy (and drizzle). [5] along Japan Sea close to Tomamae Wind Power, western Hokkaido, on September 21 2017. Records: in West Tomioka Park (富丘西公園) on May 21 2022.
ST7
[7] in Sandaohu peatland, Jilin Province, northeastern China, on June 11 2017.

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