Sentence:  Witchweed ("Striga spp.") is a parasitic plant that attacks corn, <WSD>sorghum</WSD>, sugarcane, rice, and more than 60 different species of the grass family. 
Meaning of the word marked with <WSD> tags:  A cereal, "Sorghum bicolor" (syn. (noshow=1)) the grains of which are used to make flour and as cattle feed.