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(First upload on November 16 2011. Last on August 20 2020) [ 日本語 | English ]

Quercus rubra L.






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

Quercus L. (コナラ)
Akanara (アカナラ, 赤楢 / アカガシワ, 赤柏), (northern) red oak
Life form: deciduous tall tree
Distribution: northeastern America

Introduced to Hokkaido University Botanic Garden in 1891 (Meiji 24) → tree streets around the botanic garden
Category B in Hokkaido Blue List 2010

Habitat: well-drained soil (transplantation in Japan)
Seed dispersal: gravity or cache
Synonyms:

Quercus borealis F. Michx.
Quercus borealis var. maxima (Marshall) Sarg.
Quercus rubra var. borealis (F. Michx.) Farw.

索引

Quercus rubra transplanted in Japan


ST1 ST2 ST3
ST4 ST5 ST6
ST7 ST8
[1/2] close to Clark Hall, Hokkaido University Campus on September 16 2011. [3] along a paved road near an apartment on N28/E3, East Ward, Sapporo, on August 10 2020. [4] at an arboretum, Faculty of Agriculture, HU, on September 27 2011. [5/6] Yellow and red leaves close to the Faculty of Education in HU Campus on November 4 2011. [7] in the arboretum of Faculty of Agriculture, HU, on May 18 2019. [8] near the central lawn of Hokkaido University on July 3 2020.

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