Injection of the. right vertebral artery demonstrated retrograde flow. into the left vertebral artery (Fig. 1). Thoracic. aortography failed to delineate any obstruction in. the proximal segments of the great vessels. CASE II: ].
Yellow poplar or tulip poplar is the tallest hardwood tree in North America with one of the most perfect and straight trunks in the forest. Yellow poplar has a very unique leaf with four lobes separated by rounded notches. The showy flower is tulip-like (or lily-like) which supports the alternate name of tulip poplar.ellow poplar or tulip poplar is the tallest hardwood tree in North America with one of the most perfect and straight trunks in the forest. Yellow poplar has a very unique leaf with four lobes separated by rounded notches. The showy flower is tulip-like (or lily-like) which supports the alternate name of tulip poplar.
Overview. Native to the eastern elevations of North America, the tulip poplar tree (Liriodendron tulipifera) is a deciduous tree that is also known as yellow poplar. It is not a member of the poplar family (Populus sp.), but lumberyards label the wood as poplar wood, shortening the common name of yellow poplar.ative to the eastern elevations of North America, the tulip poplar tree (Liriodendron tulipifera) is a deciduous tree that is also known as yellow poplar.