The reason for its disappearance has been answered.
This photo shows an empty area where a tree was planted by US President Donald Trump and French President Emmanuel Macron during a tree planting ceremony on the South Lawn of the White House in Washington.
The oak originally sprouted at the World War I Battle of Belleau Wood in northern France, where about 2,000 USA troops died fighting a German offensive.
However, after talks in the White House, the French leader suddenly said that he was willing to take the USA president's concerns on board and work on a "new" Iran deal.
Newly appointed U.S. Secretary of State Mike Pompeo said Friday, after a meeting with foreign ministers at North Atlantic Treaty Organisation, that he was working to address Trump's complaints about the Iran nuclear accord, and that Trump would quit the deal unless there was "a substantive fix".
While Presidents Trump and Macron shoveled dirt symbolically over the oak sapling's roots, Melania Trump and Brigitte Macron looked on. Surprisingly, the tree went missing after Macron addressed the potential threats posed by climate change at a joint session of the Congress.
"Germany and Europe will take more of its destiny into its own hands, because it's no longer the Cold War era", she said on Friday.
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China claims the strategically important region, but India says it belongs to ally Bhutan. The countries fought a border war in 1962 and past year engaged in a 10-week standoff .
French President Emmanuel Macron and his Iranian counterpart Hassan Rouhani held phone talks and agreed to work together on maintaining Iran's nuclear deal.
But cut to nearly a week later, and the oak sapling is gone.
However, a Reuters photographer visited the site over the weekend and noticed that the tree apparently disappeared from where it was planted.
It was a symbolic gesture: the tree came from a northern French forest where 2 000 US Marines died during the First World War.
The reason? Like all agricultural products brought from overseas, the tree needs to be checked for parasites that could damage native plants, Reuters reports.
But just days later, the tree was noticeably absent from the White House.