Photo: Populus nigra.

Tree with unripe seed. Koskela, Helsinki, Finland. Planted. 2002-05-15.
Populus nigra L. Engl.: black poplar, Lombardy poplar, European black poplar. Deu.: Schwarzpappel. Suom.: mustapoppeli. Sven.: svartpoppel, äkta svartpoppel. Fran.: peuplier noir. Span.: álamo. TCM: hei yang. Bot. syn.: Populus dilatata Ait., Populus italica (Du Roi) Moench, Populus pyramidalis Rozier
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Photo: Populus nigra.