Begonia pavonina, or peacock begonia, is a species of rhizomatous plant in the family Begoniaceae. It is endemic to the dim understory in the montane forests of peninsular Malaysia.
The plant is characterized by its iridescent foliage that reflects blue light to capture as much as light as possible in the undergrowth of the dense forests where it lives.
This rhizomatous begonia is a native to the Pahang region of Malaysia, growing in the tropical forests of Southeast Asia.