This member of the Rubiaceae family was given this name by Odoardo Beccari in 1884. It is found on the island of New Guinea: Indonesia and Papua New Guinea, growing as an epiphyte with lots of water and little to some sun. The caudex can grow to 25 centimetres in diameter, the entire plant to 60 centimetres in height. The flowers are white, the fruits orange.
The genera name after Greek hydnon meaning 'tuber' and phyton meaning 'plant', after the swollen branches. The species name after the country it is found in; Papua New Guinea. Hydnophyttnae KEY. A medium sized plant from Bakker.com.

