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(Upload on July 21 2010. Last on March 24 2020) [ 日本語 | English ]

Ailanthus Desf. (ニワウルシ) Shinju or Niwa-urushi (シンジュ/ニワウルシ, 神樹/庭漆), tree of heaven Life form: deciduous tree Distribution: northeast and central China and Taiwan (extotic to Japan) Hokkaido Blue List: A3 Habitat: moist and loamy soils (in native regions) Seed dispersal: wind HUSTEP: Plants and Plant communities in Japan (flora list)

Nature in the eco-campus of HU - introduction to botany (北大エコキャンパスの自然 - 植物学入門) var. altissima: the type, native to China var. sutchuenensis (Dode) Rehder et E. H. Wilson: having red branchlets var. tanakae (Hayata) Kanehira et Sasaki (タイワンニワウルシ): having yellowish bark, etc. (threatened in RDB) [often quated as tanakai]

Ailanthus altissima in Hokkaido

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[1-2] around an artificial pond called Ohno Pond (大野池) near the Facutly of Engineer, HU, on July 14 2010. [3] a tree with numerous seeds. [4] close-up of fruits.[3-4] In the northern part of Hokkaido Universityt Campus on August 15 2011. [5] a leaf scar in a court used for a smoking area in GSEES, HU, on March 10 2020