洋槐树 Traditional form: 洋槐樹 Pinyin (reading): yánghuáishù Definitions: black locust tree (Robinia pseudoacacia) Characters: 洋 - sea, ocean; western, foreign 槐 - locust tree 树 - tree; to plant; to set up, to establish Traditional characters: 洋 - sea, ocean; western, foreign 槐 - locust tree 樹 - tree; to plant; to set up, to establish