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).
The tulip poplar tree is an excellent shade tree that is very resistant to disease and insects. It is also a fast growing tree but doesn't have the week wood of other fast growing trees such as the sycamore, silver maple, or American elm.he tulip poplar tree is an excellent shade tree that is very resistant to disease and insects. It is also a fast growing tree but doesn't have the week wood of other fast growing trees such as the sycamore, silver maple, or American elm.