Citrullus is a genus of seven species of desert vines, among which Citrullus lanatus is an important crop.
Watermelon
…The bitter wooly melon was formally described by Carl Peter Thunberg in 1794 and given the name Momordica lanata. It was reassigned to the genus Citrullus in 1916 by Japanese botanists Jinzō Matsumura and Takenoshin Nakai. Watermelons were originally cultivated for their high water content and stored to…