Chamaecyparis obtusa 'Nana Pyramidalis' / Hinoki False Cypress
US National Arboretum says the plant to be a tall and slender specimen, however the photo is a very tight, congested almost flat bun.
Chamaecyparis obtusa 'Nana Pyramidalis'
Photo taken in The Gotelli Collection at The US National Arboretum located in Washington, D.C. during May 2006.
Photo by Dax Herbst