Pinus strobus 'Nana' / Dwarf White Pine

'Nana' meaning dwarf. The World Checklist of Conifers states that the name Nana is a botanical designation for slow-growing clones never exceeding 3M. It goes on to describe "A name in use for several clones of the last."

Pinus strobus 'Nana' This picture was taken in Michigan at the Harper Collection, Hidden Lake Gardens during the ACS tour in 2000.
Photo by Ken Church
Pinus strobus 'Nana' Photo taken at The Gotelli Collection of The US National Arboretum during May 2006; Washington, D.C.
Photo by Dax Herbst