Acotyledonous :: Acotyledonous (a.) Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc..
Cotyledonous :: Cotyledonous (a.) Of or pertaining to a cotyledon or cotyledons; having a seed lobe.
Dicotyledonous :: Dicotyledonous (a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant..
Monocotyledonous :: Monocotyledonous (a.) Having only one cotyledon, seed lobe, or seminal leaf..
Pseudo-monocotyledonous :: Pseudo-monocotyledonous (a.) Having two coalescent cotyledons, as the live oak and the horse-chestnut..