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(First upload on December 8 2007. Last on April 30 2024) [ 日本語 | English ]

Acer L. (カエデ) Negundo-kaede (ネグンドカエデ/トネリコバノカエデ), Boxelder maple Distribution: native to North America (exotic to Japan) Growth: growing relatively faster than the other maples, and short-lived Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) Varieties (no accessions by USDA) ssp. negundo ssp. interius (Briton) A. Love et D. Love ssp. californica (Torr. et A.Gray) Wesm.

Annual shoot, seeds and leaflet sketched on May 31 1983 by ST. The seed is wind-dispersal.

Acer negundo in Hokkaido

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[1/2] in Hokkaido University Campus in the fall of 2004, many boxelder trees were blown down in a typhoon. We can see typical maple seeds, i.e., winged seeds, were produced. On September 19 2007. [3] a street tree at N30/E20, East Ward, Sapporo, on August 14 2016 (bark, 樹皮). [4] in a Hokko Green Space, East Ward, Sapporo, on September 1 2018. [5] between GSEES to Coop Central Restaurant in HU Campus on April 27 2020. [6] a terminal shoot at the backyard of GSEES on April 15 2022. [7] seeds on snow at the backyard of GSEES on April 6 2024.