Unusual tree
I came across several of these trees in the Belem Botanical Garden in Lisbon. I was especially struck by the unusual shape of the trunk, but have not been able to identify it from any of my botanical handbooks.
Is anyone able to identify this?

Is anyone able to identify this?

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In the sticks near Peterborough
https://www.google.co.uk/search?q=Beaucarnea+recurvata&rlz=1C1CHFX_en-gbGB480GB480&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjG-dPklpfaAhWNWsAKHYWuAPcQ_AUICigB&biw=1517&bih=688
Glad to have been of help.