Cultivar Image Name Bok choy Brassica rapa subsp. chinensis Bomdong Brassica rapa var. glabra Choy sum Brassica rapa subsp. parachinensis Field mustard Brassica rapa subsp. oleifera Komatsuna Brassica rapa subsp. perviridis Napa cabbage Brassica rapa subsp. pekinensis Rapini Brassica rapa var. rapifera Tatsoi Brassica rapa subsp. narinosa Turnip Brassica rapa subsp. rapa Yellow sarson Brassica rapa subsp. trilocularis