Pinus flexilis âVanderwolfâs Pyramidâ. Pinus flexilis âVanderwolfâs Pyramidâ is an evergreen coniferous tree with an upright pyramidal habit. Its dark green leaves appear in groups of 5, up to 7cm long and 1.5mm broad. Its grey bark is nearly smooth when young, forming scaly plates as it matures. Its flowers are in the form of pollen cones.
Eastern States: States east of the Mississippi River (not used generally with states that lie on the Mississippi River). Great Lakes Region: Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania, Wisconsin.
Confidence votes 36. The seven regions of the USA are the Pacific Coast States, Midwestern States, Southern States, Southwestern States, Rocky Mountain States, Middle Atlantic States, and New England. Taylore Daniel.