Peonia

According to the Old English Dictionary:

an;

peonia

m. (?) Peony :-- Peonia peonia, Wrt. Voc. i. 69, 22. Ðeós wyrt ðe man peonian nemneþ, Lchdm. i. 168, 14. [The Latin form of the accusative, peoniam, occurs, 170, 4.] peonia