(First upload on September 2 2007. Last on October 31 2015) [ 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) > Anacardiaceae (ウルシ科) > Rhus ambigua
Rhus L. (ウルシ)Tsutaurushi (ツタウルシ, 蔦漆), climbing sumacLifeform: deciduous vine Habitat: woodland, forest edge, gap Poison: inflammation of the skin by urushiol |
Urushiol: R =
(CH2)14CH3, (CH2)7CH=CH(CH2)5CH3 |
→ Introduction to the Ozone Depletion and the Effects of UV Radiation (自然環境学総論) Synonyms:
Rhus orientalis (Greene.) C. Schneid. |
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[1] at the Tomakomai Experimental Forest of Hokkaido University on May 21 2003. [2/3] at the entrance gate of Shinsen Bog, central Hokkaido, on June 24 2007. [4-5] at the formerly Senjaku Course in Teine Skislope on October 5 2009. [6] at a footpath around Onnenai Visitor Center in Kushiro Moor, eastern Hokkaido, on July 2 2014. The leaf shape is highly variable. [7/8] near the parking lot of Mount Koma (flora), southern Hokkaido, on August 4 2015.