The xylem seems to be the main piping system for water in the plant. In personification, the non-human is identified with the human or given human characteristics. Cricket has been good to me. The New Zealand dollar had a quiet month. Life dealt him a heavy blow.
Personification is very common in poetry.
Slowly, silently, now the moon Walks the night in her silver shoon. X It also appears in children's books. They're always listening. An extended comparison is called an analogy . These are frequently used in academic writing to assist understanding.