Medical Definition of ERYTHROPOIESIS. : the production of red blood cells (as from the bone marrow)âcalled also erythrocytopoiesis, erythrogenesis. â erythÂ·roÂ·poiÂ·etÂ·ic \-Ëet-ik\ adjective.
Horticultural. Pop ash has several redeeming characteristics that make it an interesting, attractive, and useful landscape tree. Its small to medium size, wide spreading crown, crooked and multi-stemmed trunk, glossy and compound leaves, and fast growth rates make it a decorative addition to landscapes.lowers are 1/8 inch long and bloom in early spring before leaves emerge. The blooms appear in clusters of many yellow (male) and green (female) flowers. Fruits are 1Â½ to 2 inch long elliptical samaras (winged seeds) that have 1 wing (or occasionally 3).
There are a wide variety of domestic hardwoods available. One common utility hardwood is Poplar wood. Poplar (also referred to as Populus Balsamifera) is taken from the poplar tree, which grows particularly in the eastern United States.Poplar trees are known to be one of the tallest trees, reaching heights of 160 feet and diameters of 8 feet.oplar has low shock resistance and bending strength. It is a very soft hardwood that has a janka hardness of 300, which is almost 30 times weaker than Ipe wood. (The janka hardness test measures the hardness of the wood.) Another flaw is low density.