There is a plant that looks like bitter gourd, but its skin is orange and its seeds are red and edible. What's it called?

Jin Lingzi, also known as Lai Grape, has many aliases.

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Commonly known as Lai grape, it has a golden shell with many bags of different sizes bulging on it. Some are like bitter gourd, belonging to cucurbitaceae, but not the same crop. Bitter melon is a kind of vegetable, which can be eaten cold or cooked. Grape is a kind of fruit. When ripe, the flesh is red, sweet and rich in vitamins A and C. Because their leaves and fruits have the same shape, it is not easy to distinguish them. But bitter gourd can be eaten as long as it bears fruit; Lai grapes must be ripe to eat. When some grapes are ripe, the fruit will crack, and there are countless bright red particles lying inside, gathering together like velvet. The whole fruit is very bright and makes people want to eat.