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Swiss pine (Pinus cembra or Pinus ambra). Pinus cembra, also known as Swiss pine, Swiss stone pine, Arolla pine, Austrian stone pine, or just stone pine, is a species of pine tree in the subgenus Strobus. Swiss pine is a popular ornamental tree in parks and large gardens, giving steady though not fast growth on a wide range of sites where the climate is cold. It is very tolerant of severe winter cold, hardy down to at least −50 °C (−58 °F), and also of wind exposure. The seeds are also harvested and sold as pine nuts. Wood engraving, published in 1876.