[Abu 'Eisa said:] The meaning of "Not Samra'" is "not wheat."
This Hadith is Hasan Sahih. This Hadith is acted upon according to our companions, among them Ash-Shafi'i, Ahmad, and Ishaq.
In-book : Book 14, Hadith 52
English translation : Vol. 1, Book 12, Hadith 1252