American Balsam is a type of tree native to North America. It is also known as the Eastern Hemlock or Tsuga Canadensis. The tree is an evergreen conifer and can grow up to 80 feet tall. The bark of the tree is reddish-brown and scaly, and its needles are flat and dark green. The tree produces small, round cones that contain seeds. The term 'TOLU' is derived from the Latin name for the tree, which is Tsuga Canadensis.