Melothria scabra
Melothria scabra is a vine grown for its edible fruit. Fruit are about the size of grapes and taste like cucumbers with a tinge of sourness. Vernacular names include mouse melon, Mexican sour gherkin, cucamelon, Mexican miniature watermelon, Mexican sour cucumber and pepquinos.This plant is native to Mexico and Central America,
where it is called sandiita (little watermelon). It is believed to have been a domesticated crop before western contact began.