Some other species arose in South America as cultivated plants. Pumpkins eaten as a vegetable in most parts of the world. They were in Europe early and in China by the 11th century. They have lots of water and were often used as a source of water in dry areas. Rind used to make pickles.
Orientals preserve in salt.
Canteloupes and honey dew etc. The wild ancestors of these are unknown. Cucumbers are native to southern Asia. Has long been cultivated in both. Probably drifted across Atlantic from Africa to S. America.