1. 
   Omphalea
   The plants are toxic and few animals can eat them. Diurnal moths of the subfamily Uraniinae feed on them. These moths are species of the genus Urania in the Americas, and of the genus Chrysiridia in Africa. ===Single species=== The single African species from Tanzania is the O. mansfeldiana Mildbra...
   Found op http://en.wikipedia.org/wiki/Omphalea
   
   
2. 
   Omphalea
   genus of tropical shrubs or trees of the spurge family (Euphorbiaceae), comprising 15 species; 12 are native to the Americas, 3 to the Old World. O. ...
   Found op http://www.britannica.com/eb/a-z/o/17
   
   
3. 
   Omphalea
   Omphalea is a genus of tropical trees or shrubs of the family Euphorbiaceae. They bear monoecious, apetalous flowers, followed by thick fleshy fruits with hard centres.
   Found op http://www.probertencyclopaedia.com/browse/BO.HTM
   
   

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