- bok choy, bok choi, pakchoi, Chinese white cabbage, Brassica rapa chinensis - Asiatic plant grown for its cluster of edible white stalks with dark green leaves
--1 is a kind of crucifer, cruciferous plant
--1 is a member of Brassica, genus Brassica - bok choy, bok choi - elongated head of dark green leaves on thick white stalks
--2 is a kind of cabbage, chou