This member of the Rubiaceae family was given this name by Theodoric Valeton in 1927. It is found along the Sepik River, eastern Papua New Guinea, growing as an epiphyte with lots of water and some sun. The caudex can grow to eight centimetres in diameter, the entire plant to 35 centimetres in height. The flowers are white.
The genera name means 'ant head'. The species name for the oblong-shaped leaves. A key to the genera of the HYDNOPHYTTNAE is found on the Myrmecodia alata page.

