365 days of orchids – day 14 – Oberonia sp. I am Joe and my job has been to try and photograph out smallest orchid flowers. This Oberonia is possibly our smallest flowered orchid. We have it named as Oberonia helferi and it is found in Myanmar and Thailand. Top Join the Discussion Click here to cancel reply. Name Email Address Website Addess Comments Discussion There aren't any comments yet, why not be the first?