A rhizome is a piece of a hop plant that will sprout roots when planted, and it's what you will need to purchase if you want to add hops to your garden. Rhizomes are available from most online and local home brew shops in the spring.
More recently they have become symbolic of sinister things. A snake ring worn on the first finger suggests this is an egotistical person and they are using the snake to enhance their status. A snake ring on the second finger suggests this is a materialistic person and they are using the snake to enhance their wealth.
Symbolic meaning of the snake. I believe that when we first think of the symbolic meaning of a snake, that it reminds us of The Bible, and the Book of Genesis, and the story of Adam and Eve. In Christian beliefs, the snake represents temptation and evil, the snake is the servant of Satan.