Definition of geophyllous in English:

geophyllous

(also geophilous)

adjective

Botany
  • Of a plant: propagating by means of underground buds, geophytic; (also) having leaves which retreat or grow below the surface of the soil, especially in response to periods of drought or low temperature.

Origin

Mid 19th century (in an earlier sense). From geo- + -phyllous.