Pinus contorta is an exotic conifer, native to the mountains of western North America, but has been planted at sites across the British Isles.
North Leigh (VC23: Oxfordshire); 2019-01-27
The leaves of Pinus contorta are relatively short, paired, and usually distinctively twisted.
The cone-scales of Pinus contorta have a sinuous projecting spine.
All images copyright © Christopher J. Dixon unless otherwise indicated.