(First upload on August 28 2007. Last on August 21 2024) [ 日本語 | English ]
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 mongolica
Quercus L. (コナラ)Q. mongolica Fisch. ex Ledeb. (モンゴリナラ)var. grosseserrata (Blume) Rehder et E. H. WilsonMizunara (ミズナラ, 水楢), Manchurian oak for the type Lifeform: deciduous tall tree ☛ Giant trees (巨木) |
Distribution: Japan (Kyushu - Hokkaido), Sakhalin, south Kuriles
Southern limit: Mount Takakuma, Kagoshima Prefecture, Kyushu Seed dispersal: gravity or cacheSynonyms
Quercus crispula Blume, often used var. undulatifolia Kitam. et T.Horik., excl. basion. (ミヤマナラ) |
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[1] Q. mongolica var. grosseserrata forests are developed on the south slope of Mount Usu. This species is considered to be a climax tree in the lowland of the southwestern Hokkaido. Lagre oak trees at Usu-Zenkoji Temple in the city of Date on May 2 2001. [2] a sapling in a forest located in the northern campus of Hokkaido University, N18/W9, North Ward, Sapporo. The height is ca 1 m. [3] probably it is a masting year in 2010. [4] close-up of acorns. [3/4] in Teshio Experimental Forsest, HU, on September 14 2010. [5] a dwarf-formed tree at the seventh station on Mount Apoi (アポイ岳), south-central Hokkaido, on June 15 2016. [6] near the parking lot of Mount Koma (flora), southern Hokkaido, on July 9 2018. [7/8] along a forest road on Mount Kuromatsunai, southwestern Hokkaido, on May 22 2024. Records: along a trail to go the post-mined peatland of Sarobetsu mire, northern Japan, on August 30 2021.
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[1] leaves at Kirishima, Kyushu Island, Japan, on March 28, 2003. The leaves are extremely smaller in Kirishima than in Hokkaido. When I saw the leaves, it was hard for me to believe that those leaves are Q. mongolica var. grosseserrata. Compare to a palm. [2] a leaf in Tomakomai Experimental Forest, Hokkaido, on September 10 2009. The box is a cigarette case. [3] along a trail in Togendai, Hakone, central Honshu, on August 21 2021.