Pumpkin, also known as zucchini, restaurant, zucchini, etc. , an annual herbaceous melon, belongs to Cucurbitaceae. Stems prostrate, pentagonal, without hard spines. Leaves are pentagonal and heart-shaped. Corolla lobes are large and yellow, divided into male and female. The fruit is rectangular, oblate, etc. The surface of the fruit is smooth or has a tumor, and there is white powder when it matures-