Sentence:  The <WSD>pomegranate</WSD> ("Punica granatum" L.) originates from Persia, and is cultivated in western and central Asia and in the Mediterranean region; it is also grown commercially in California....The predominant parasitic nematodes affecting <WSD>pomegranate</WSD> are the root knot nematodes, "M.[Meloidogyne] incognita", "M. acrita" and "M. javanica" (McSorley, 1981). 
Meaning of the word marked with <WSD> tags:  A fruit-bearing shrub or small tree, "Punica granatum".