 "citroides" Bailey is the same as Thunberg's bitter wooly melon, "C. lanatus" and also the same as "C. amarus" Schrad.It is not a form of the sweet watermelon "C. vulgaris" and not closely related to that species.The citron melon or "makataan" - a variety with sweet yellow flesh that is cultivated around the world for fodder, and the production of citron peel and pectin.