broadbeaked mustard; Chinese flat cabbage (Brassica narinosa)

(idiom) literal meaning "don't hang yourself on just one tree"; used to advise someone not to be stubborn, to have a backup plan, or to look for other opportunities instead of sticking with a losing path

to grow or sprout, used of a young plant; to send out new shoots from the base

(regional) the stem or stalk of a plant