PINUS cembra

'Arolla Pine'. A small to medium-sized tree of characteristic, dense, conical or columnar habit in cultivation. Leaves in 5s, 5-8cm long, densely crowded and dark blue-green, with blue-white surfaces. Cones deep blue, to 8cm long, never opening, the seeds being liberated when the scales rot or by the attentions of squirrels or birds. An ornamental tree of almost formal aspect which has distinct landscape possibilities.