Abstract
This research declares "Abu Hanifa Aldaynori", and highlights his place among the Encyclopedic Arab scholars in the third century AH, his abundant variable scientific production, and his book "Plant" which is the most famous among his books, and the most important to the scholars in hits field, until they considered it an advanced Arabic Encyclopedia Both scientific and linguistic. The researcher examines the sources of Abu Hanifa in the book, the narrators whom he took the names of plants in the Arabian Peninsula from and their properties, and presents examples of his many evidences in his publication that included pieces that were found of it. He also shows the clear impact of this book among the books that he produced afterward like books of language and its lexicons.
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