Class Monocotyledonae is a class of Phylum Anthophyta. The defining characteristics of Class Monocotyledonae are the number of leaves an organism has per grouping, which is 3 for Class Monocotyleconae. The leaves of the organisms are found to parallel. Embyro have one cotyledon. Pollen just has one pore or furrow. An example of an organism classified under Class Monocotyledonae is Allium schoenoprasum.