Do you remember where you got it from? I found Mandarin Morning in the database but "Mandarine" shows it was introduced in 1920. (?) All the other Iris with Mandarin in the name do not have pictures in the database.
If it's Mandarin Morning I already have it but it didn't bloom this year.
• “Whoever said, ‘Do something right and you won’t have to do it again’ never weeded a garden.” – Anonymous