Hi,
I have grown the Zapotec and found it to be a medium sized jalapeno (traditional shaped) and very flavorful.
Beth Boyd deserves the credit for discovering and popularizing this pepper. Read through these posts and your will see the story.
https://thehotpepper.com/threads/zap...s.71873/page-3
It is a shame but yours is definitely crossed with some other pepper because the Zapotec Jalapeno is a very good one.