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(Upload on November 16 2011) [ 日本語 | English ]

Quercus rubra L.






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

索引
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.

Quercus rubra transplanted in Japan


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ST4 ST5 ST6
[1] a tree. [2] a bark. [3] acrons. [4] a leaf. [1-3] close to Clark Hall, Hokkaido University Campus on September 16 2011. [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.

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