The Question and Answer section for Langston Hughes: Poems is a great resource to ask questions, find answers, and discuss the novel.
What specific poem are you referring to?
Name of the poem your question pertains to?
The metaphor in "Mother to Son" is found in the staircase, which represents the mother's life. Contrary to what we'd initially believe, the "crystal" staircase does not allude to a life of opulence, but rather a life of hardships.