This member of the Rubiaceae family was given this name by Camilla Rose Huxley and Matthew H. P. Jebb in 2019. It is found on Mount Doorman, Western New Guinea in Indonesia, growing as an epiphyte or on the ground with lots of water and some sun. The caudex can grow to seven centimetres in diameter, the entire plant to 30 centimetres in height. The flowers are white and the fruits light red.
The genera name after Greek hydnon meaning 'tuber' and phyton meaning 'plant', after the swollen branches. The species name from Latin; pauper; 'poor' for the somewhat diminutive specimens.
This plant houses frogs.

