Gazelle : The Palestinian Biological Bulletin (ISSN 0178 – 6288) . Number 91, July 2009, pp. 1-31. | Page 6

6 16. Araba (Arava) Woodland: The deep sands of the Wadi Araba (Arava Valley) are covered with sparse woodland of trees growing up to 4 meters in height. 17. Swamps and Reed Thickets: Water-logged soils on river banks support dense vegetation. 18. Wet Saline: Salty water moistens the soil throughout the year along the Jordan, the Dead Sea, the Wadi Araba (Arava valley) and on the Mediterranean shore near Akka (Akko). 19. In areas of intense human activity: Vegetation in such areas is easily differentiated. The Jaffa Groundsel Senecio joppensis Dinsm. http://image03.webshots.com/3/1/31/56/73313156QdzCPm_ph.jpg Plants Unique to Palestine: Among about 165 vascular plant species known solely from Palestine are the Palestine Iris Iris Palaestina, the Dark-purple Iris Iris atropurpurea, the Mount Gilboa Iris Iris haynei, Gazelle – Number 91 – July 2009