|Author: ||Paul Irwin Forster, 2001
This member of the Rubiaceae family was given this name by
Paul Irwin Forster in 2001. It is found on the Cape York Peninsular,
Queensland, Australia, growing as an epiphyte with
lots of water and some sun. The caudex can grow to 30
centimetres in diameter, the entire plant to 60 centimetres in
flowers are white.
genera name after Greek hydnon meaning 'tuber' and phyton meaning
'plant', after the swollen branches. The species is named after the
Latin ferrugineus due to the up to two millimetre long ferruginous trichomes in the inflorescences.