Spaghetti squash or vegetable spaghetti is a group of cultivars of "Cucurbita pepo" subsp. The pressed oil of the roasted seeds of a "Cucurbita pepo" subsp. Gem squash ("Cucurbita pepo" var. A marrow is a vegetable, the mature fruit of certain "Cucurbita pepo" cultivars. "Peponapis" and "Xenoglossa" are known to be specialists for squash plants, such as "Cucurbita pepo". Along with certain other squashes and pumpkins, the zucchini belongs to the species "Cucurbita pepo". Cucurbita pepo is a cultivated plant of the genus "Cucurbita". It occurs naturally in willow ("Salix"), tea, hyacinth, zucchini ("Cucurbita pepo"). Commercially made pumpkin pie mix is made from "Cucurbita pepo", "Cucurbita maxima", and "Cucurbita moschata".