Bilimbi (Taling Pling) in Udon

Has anyone seen these fruits in Udon? According to my GF they are called “Taling Pling,” but she has never actually seen them. They make excellent chutneys (nam piek). I’ve often come across them in the Philippines and Indonesia but never in Thailand.

On the other hand, another member of the same family, the round, yellow, one, (grosella/mayom), is abundant here