(Praecitrullus fistulosus) This tender and delicious edible gourd is popular in South Asia. Long vines are covered in prickles (similar to a zucchini plant) and will flower and fruit early and abundantly. The fruit is mostly round and averages 3 to 4 ounces each. Harvest fruit when young and tender and fry it or use in curries and soups. This fruit is particularly popular in Punjabi cuisine.