Araceae: A plant family of the order Arales, subclass Arecidae, class Liliopsida (monocot). Many members contain OXALIC ACID and calcium oxalate (OXALATES).Amorphophallus: A plant genus of the family ARACEAE. Members contain konjac glucomannan (MANNANS) and SEROTONIN.Arisaema: A plant genus of the family ARACEAE. It has a stemless, tuberous root.Philodendron: A plant genus of the family ARACEAE. As a houseplant it sometimes poisons children and animals.Inflorescence: A cluster of FLOWERS (as opposed to a solitary flower) arranged on a main stem of a plant.Alismatidae: A plant subclass of the class Liliopsida (monocotyledons) in the Chronquist classification system. This is equivalent to the Alismatales order in the APG classification system. It is a primitive group of more or less aquatic plants.Colocasia: A plant genus of the family ARACEAE. Members contain acrid calcium oxalate and LECTINS. Polynesians prepare the root into poi. Common names of Taro and Coco Yam (Cocoyam) may be confused with other ARACEAE; XANTHOSOMA; or with common yam (DIOSCOREA).Alocasia: A plant genus of the family ARACEAE. Members contain beta-glucosidases and trypsin inhibitors.Angiosperms: Members of the group of vascular plants which bear flowers. They are differentiated from GYMNOSPERMS by their production of seeds within a closed chamber (OVARY, PLANT). The Angiosperms division is composed of two classes, the monocotyledons (Liliopsida) and dicotyledons (Magnoliopsida). Angiosperms represent approximately 80% of all known living plants.