Mandarins are in season

On the way to the airport today I saw a road side shop selling my favourite fruit. Known in the Arab world as Yusuf Effendi. Do you know why, read below

 

Egypt: Another profitable development was the cultivation and large scale export of the mandarin, a fruit introduced by Yusuf al-Armani. Yusuf Effendi al-Armani, bought and brought with him mandarin saplings from the Island of Malta, and planted it in Muhammed Ali’s orchard. The fruit became popular and its production was so lucrative that it was named Yusuf Effendi after the enterprising Armenian who introduced it.