The central metaphor in Sylvia Plath's poem "Mushrooms" is that of the mushrooms with women and their rights in general.
A metaphor is a rhetorical device that refers to one thing but means another thing. This means that it is a comparison device that writers use to refer to things in a much rhetorical way.
The pattern of the mushrooms trying to get out of the soil and emerge through the cracks, the desire and attempts to be free from the constricting soil are all similar to women and their struggle to be given equal rights with the men.
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