Cucurbit plants are

Cucurbit plants are Vines.
Cucurbitaceae, the gourd family of flowering plants, belonging to the order Cucurbitales and containing 98 genera and about 975 species of food and ornamental plants.
The Cucurbitaceae or vine crop family is a distinct family without any close relatives and includes many important vegetables such as cucumber, melon, watermelon, squash, pumpkin and gourds.
Members of the family are annual or perennial herbs native to temperate and tropical areas.