Monocotyledonae is a technical term used in plant taxonomy to refer to plants with a single seed leaf or cotyledon. This term is often used interchangeably with the term monocots. The word monocotyledonae originates from the Greek words "mono" meaning one, "cotyledon" meaning seed leaf, and "ae" indicating the plural form. Some synonyms for this term include monocotyledons, monocolpus, and liliopsida. Monocotyledonae plants are characterized by their parallel veined leaves, absence of secondary growth and trimerous flowers. Some common examples of monocots include grasses, lilies, and palms. Understanding these synonyms helps in better communication in botanical studies.