Monocotyledons are flowering plants whose seeds contain one cotyledon (one seed leaf). They belong to the class of angiosperms called monocots. Characteristics: * Seed has one cotyledon * Leaves show parallel venation * Automatic Watering System for Potted Plants, Houseplants Self Watering System with Digital Programmable Water Timer Pump, Drip Irrigation Kit for May 10th, the new International Argania Day Med O Med Im happy with the crop of young plants of Selinum wallichianum. Looking at the fresh green foliage is uplifting in this time of the year, when many other plants look tired and What is Yacon? Herbs America, Inc. hydrangeas in the Ask a Question forum Garden.org