Differentiate between Cyathium and Coenanthium
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Answer:
Difference between Cyathium and Coenanthium
Cyathium is a type of inflorescence in which a cup-like cluster of modified leaves encloses a female flower and several male flowers. It resembles a single flower. For example, Poinsettia.
A cymose inflorescence resembling a whorl but actually arising in the axils of opposite bracts, as in most mints. Coenanthium: It is an inflorescence with a nearly flat receptacle having margins that are slightly curved upwards.
Answer:
Cyathium looks like a single flower. A cup-shaped involucre formed by bracts encloses a single female flower and a number of male flowers. Each male flower is represented by single stamen while a single pistil represents a female flower. The example is euphorbia.
Hypanthodium is fleshy receptacle forming a hollow cavity with an apical opening called ostiole. The flowers are developed on an inner wall of the hollow cavity. The male flowers are situated at the top near the opening, at the bottom are situated the female flowers with long styles and in between both are situated short-styled gall flowers which are sterile. The example is ficus. Therefore, both have unisexual flowers.