mesogenous
/mɪˈsɒdʒɪnəs/ /mɛˈsɒdʒɪnəs/adjective
Botany. Designating or relating to a type of stomatal development in which a single meristem cell gives rise to both guard cells and subsidiary cells.
Origin
Late 19th century (in an earlier sense). From meso- + -genous.