(pronounced: rye-zan-THEL-lah)


Diurideae subtribe Rhizanthellinae


From the Greek rhiza, meaning root, and anthos, meaning flower, as a diminutive of Rhizanthes, a genus of saprophytic Rafflesiaceae in allusion to the saprophytic habit and head-like inflorescences.


Two species endemic to Australia.

Care and Culture Card

See basic growing conditions and care information below.


Annable, T. J. 1989. A new locality for the eastern underground orchid, Rhizanthella slateri. Victorian Nat. 106:43-44.

Balogh, P. 1982. Rhizanthella R. S. Rogers, a misunderstood genus (Orchidaceae). Selbyana 7:27-33.

Clements, M. and P. Cribb 1984. The underground orchids of Australia. Kew Mag. 1(2):84-91.

George, A. S. 1980. Rhizanthella gardneri R. S. Rogers, the underground orchid of Western Australia. Amer. Orchid Soc. Bull. 49:631-646.

Riley, J. J. 1994. Rhizanthella slateri (Rupp) Clements et Cribb. Orchadian 11(6):276-277.

Rogers, R. S. 1928. A new genus of Australian Orchidaceae. J. Roy. Soc. Western Austral. 55:1-76.

Rupp, H. M. R. 1984. The habitat, character and floral structure of Cryptanthemis slateri Rupp (Orchidaceae). Proc. Linn. Soc. New South Wales 50:118-122.

Stephenson, A. W. 1997. A new recording of the Eastern Underground Orchid, Rhizanthella slateri, at sea level. Orchadian 12(4):188-189.

Warcup, J. H. 1991. The Rhizoctonia endophytes of Rhizanthella (Orchidaceae). Mycol. Res. 95(6):656-659.