Japanese blue oak
Quercus glauca Thunb. [Fagaceae]
Arakashi (アラカシ/クロガシ/ナラバガシ, 粗樫)
Life form: evergreen tall tree
Distribution: China - Taiwan - southen Japan
The northern limit in Japan = Niigata / Miyagi
Habitat: secondary forests such as coppice forests
Seed dispersal: gravity or cache
Synonyms
Cyclobalanopsis glauca (Thunb.) Oerst.
Cyclobalanopsis glauca (Thunb.) Oerst. var. kuyuensis (J. C. Liao) J. C. Liao
Cyclobalanopsis repandifolia (J. C. Liao) J. C. Liao
Quercus glauca Thunb. var. kuyuensis J. C. Liao
Quercus glauca Thunb. var. nudata Blume
Quercus glauca Thunb. f. elongata (Honda) Sugim. ex Ohwi et Kitag., comb. nud.
Quercus glauca Thunb. f. latifolia (Nakai) Hiyama
Quercus glauca Thunb. f. stenocarpa Honda
Quercus glauca in Japan
[Left] shoots. [Center] a bark. [Right] close-up of leaves. At Nagai Botanical Garden, Osaka, on May 21 2011.
References
The following three species are deciduous.