桐梓 Traditional form: 桐梓 Pinyin (reading): Tóngzǐ Definitions: Taongzi county in Zunyi 遵義/遵义 ( Zūnyì), Guizhou Characters: 桐 - Chinese wood-oil tree, Vernicia fordii 梓 - Catalpa ovata Traditional characters: 桐 - Chinese wood-oil tree, Vernicia fordii 梓 - Catalpa ovata