Question: is sui choy the same as napa cabbage?
Answer: Names. The word "napa" in the name napa cabbage comes from colloquial and regional Japanese, where nappa (菜っ葉) refers to the leaves of any vegetable, especially when used as food. ... Regionally, it is also known as sui choy (from the Cantonese name, 紹菜), and celery cabbage.