The vine of Sodom is a metaphorical expression for the corruption and bitter result associated with Sodom and Gomorrah. Its grapes are described as grapes of gall, and its clusters as bitter. The expression does not identify a particular botanical species.
The phrase occurs in Moses’ song as an image of moral corruption and destructive fruitfulness. It compares the people’s condition with the poisonous and bitter produce associated with Sodom and Gomorrah.
The vine of Sodom should be distinguished from the “Apples of Sodom,” which were described as an actual fruit species. The supplied material identifies the vine expression as metaphorical rather than botanical.