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Definition of Exogen
1. Noun. Flowering plant with two cotyledons; the stem grows by deposit on its outside.
Generic synonyms: Angiosperm, Flowering Plant
Group relationships: Class Dicotyledonae, Class Dicotyledones, Class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida
Specialized synonyms: Jiqui, Malpighia Obovata, Acerola, Barbados Cherry, Malpighia Glabra, Surinam Cherry, West Indian Cherry, Cyrilla Family, Cyrilliaceae, Family Cyrilliaceae, Titi Family
Derivative terms: Exogenic
Definition of Exogen
1. n. A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen.
Definition of Exogen
1. a type of plant [n -S]
Medical Definition of Exogen
1.