Pumpkin is the name given to a group of plant species in the genus Cucurbita, including Cucurbita pepo, Cucurbita mixta, Cucurbita maxima, and Cucurbita moschata. Pumpkin belongs to the family Cucurbitaceae and is grown primarily as a vegetable or ornamental plant. Pumpkin plants are short lived annual or perennial vines with branching tendrils and broad lobed leaves.