Japanese blue oak

(First upload on June 1 2011. Last on May 20 2022) [ 日本語 | English ]

Quercus glauca Thunb.

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

HOME > Plant list (植物リスト) > Fagaceae (ブナ科) > Quercus glauca

Quercus L. (コナラ)

Arakashi (アラカシ/クロガシ/ナラバガシ, 粗樫), Japanese blue oak
Life form: evergreen tall tree (常緑高木)
Distribution: China - Taiwan - southen Japan (the northern limit = Miyagi Prefecture)

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

var. amamiana (Hatus.) Hatus. ex H. Ohba (アマミアラカシ)
cv. Fasciata (ヨコメガシ)
cv. Lacera (ヒリュウガシ)

Quercus glauca in Japan

1 2 3 4
5 6 7
[1/3/4] at Nagai Botanical Garden, Osaka, on May 21 2011. [2] in Botanic Gardens, Tohoku University, Natural Monument Aobayama, northern Honshu, on March 23 2016 ⇒ bark (樹皮). [5-7] in Tsurumi Green Space Park (鶴見緑地公園), Tsurumi Ward, Osaka City, on February 6 2022.