Pumpkin, a species of Cucurbitaceae, is an annual creeping herb. Its stems often take root at nodes, petioles are stout, leaves are broadly oval or oval, its texture is slightly soft, its veins are raised, its tendrils are slightly stout, it is monoecious, its fruit stems are stout, with edges and grooves, and it varies with varieties. There are often several longitudinal grooves or none outside, and there are many seeds, which are oval or oblong.

Cucurbita pepo, an annual thick grass vine, is native to India, and is planted in the south and north of China. There are three major strains: dwarf, semi-creeping and creeping. Most varieties of zucchini have obvious advantages in main vines, but few in lateral vines. Stems stout, cylindrical, with short white bristles. Likes to be wet, and is not tolerant to drought, especially in the melon-bearing period, the soil should be kept wet in order to obtain high yield.