(First upload on December 16 2010. Last on July 19 2021) [ 日本語 | English ]

Parthenocissus tricuspidata (Sieb. et Zucc.) Planch.

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

Parthenocissus Planch. (ツタ)
Tsuta or Natsuzuta (ツタ/ナツヅタ, 蔦/夏蔦), Boston ivy / Japanese creeper
Life form: deciduous woody vine
Distribution: eastern Asia (China - Korea - Japan)
Habitat: sunny sites
Utilization: gardening (such as hedge) for shade
around GSEES building, HU, on October 26 2017.

Parthenocissus tricuspidata in Hokkaido

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[1-3] at N19/W2, North Ward, Sapporo, on October 22 2010. This species is known as producing dimorphic leaves. [1] palmately compound leaf with three leaflets vs. [2] simple leaf. [3] a hedge covered with Boston ivy. [4] at a hedge on N16/W4, North Ward, Sapporo, on August 13 2015. [5] on the former sport ground of an elementary school in the city of Muroran on September 14 2015. The school was closed in the last year. [6] on a raodside near St. Ignatius Church, Yotsuya, Tokyo, on June 15 2018. [7/8] in a court used for a smoking area in GSEES, HU, on March 10 2020. [9] adhesive roots (付着根) on a building wall in N10/W4, North Ward, Sapporo, on May 24 2021. [10] terminal buds beside the Hokkaido University Hospital Post Office on April 22 2922.