1. 
   Itea
   (from the article `Rosales`) ...that they are absent from Europe. Native only in eastern North America and in eastern Asia are the genera Penthorum (ditch stonecrop), Astilbe ...
   Found op http://www.britannica.com/eb/a-z/i/47
   
   
2. 
   Itea
   [plant] Itea is a genus of about 10 species of shrubs and small trees. The leaves are alternate. Flowers are small, with 5 sepals and 5 petals, borne in racemes or spikes. They are native to eastern Asia, and with one deciduous species from eastern North America. Some species are grown in or...
   Found op http://en.wikipedia.org/wiki/Itea_(plant)
   
   
3. 
   itea
   1) Graceful tree 2) Shrubs (incl. virginia willow) 3) Virginia willow 4) Virginia willow, e.g. 5) Willow 6) Willow variety 7) Willow virginia
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/itea/1
   
   

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