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(First upload on November 17 2008. Last on April 22 2016) [ 日本語 | English ]

Albizia Durazz. (ネムノキ) Nemunoki (ネムノキ, 合歓木), silk flower, or lenkoran acacia Chinese: 合歓, 馬纓花, 絨花樹, 合昏, 夜合, 鳥絨, etc. Lifeform: pioneer, deciduous tree < 12 m high Distribution: native between Iran and Japan (not distributed in Hokkaido), that means exotic to Hokkaido Habitat: sunny forests, reversides

Biological invasion (生物学的侵入) Characteristics: nyctinasty Varieties var. julibrissin var. mollis f. albiflora J. Ohara (シロバナネムノキ)

Albizia julibrissin in Honshu, Japan

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[1] in the campus of Niigata University (新潟大学) on July 14, 1991. [2] in Botanic Gardens, Tohoku University, Natural Monument Aobayama, northern Honshu, on March 23 2016 ⇒ bark (樹皮). [3-5] at a house garden on N18/E1, East Ward, Sapporo, on July 18 2014. [6] along Hirai River downsteam from the office building of Wakayama Experimental Forest of Hokkaido University, western Japan, on June 27 2024. Can you see two ants on the leaflets. Records: green leaves at the backyard of Morinoyu Spa in Kita-hiroshima City on November 3 2024.