Description & Remarks
This plant is known also as “water hyacinth”. Its occurence in Israel can be recorded in two waves for the time being. Its leaf petioles contain air-tissue which makes the whole plant floating. It established itself in the 1950’s in the Yarkon River near Tel Aviv, completely covered it and was extinguished then. In Egypt it grows in the Nile River and in the channels branching from it and is known as “ward e Niel (“the flower of the Nile). A researcher from Egypt informs us that in channels where water flows slowly the plant prospers, blocks the water ways, and becomes an ecologic pest. The main obstacle is that the floating carpet is a preferred habitat for the snails which carry the parasites of the Bilharzia (flat worms of the genus Schistosoma). The person who is interested in discovering the way it returned after 50 years to near Kiryat Ata and Haifa is welcomed to tell the wide audience of our website.
- common water hyacinth