Pepo (Cucurbitaceae) is a kind of Cucurbitaceae Cucurbitaceae, belonging to dicotyledonous plants and angiosperms, which are distributed in most parts of China, such as Henan, Hebei, Sichuan, Shandong, Anhui and other places. "Beigua" is a semi-wild plant. Because of the low yield, and without the sweetness of watermelon, the fragrance of wax gourd and the high yield of pumpkin, conjoined north melon is not well known.