Designating a layer of meristematic tissue in certain monocotyledonous plants (especially pineapple) from which adventitious root growth occurs, especially in "dictyogenous layer".
Origin
Mid 19th century (in an earlier sense). From dictyogen + -ous.
Definition of dictyogenous in US English:
dictyogenous
adjective
Botany rare
Designating a layer of meristematic tissue in certain monocotyledonous plants (especially pineapple) from which adventitious root growth occurs, especially in "dictyogenous layer".
Origin
Mid 19th century (in an earlier sense). From dictyogen + -ous.