Author: Jan Scholten
Name: geos, meaning "earth", and iris.
Genus: 2 species
Botany: mycoheterotrophic, lacking chlorophyl; rhizomes slender and scaly; stems simple or branched; leaves alternate, reduced, scale-like; flowers light purple.
Jonker assigned Geosiris to its own family Geosiridaceae in Orchidales. Cronquist adopted thisd, altough noting that the family was closely related to Iridaceae or Burmanniaceae. The Apg classification placed it in the family Iridaceae, within the Nivenioideae subfamily.