Brassicaceae greens, Savoy, kohlrabi, and gai lan ("Brassica oleracea"), turnip, napa cabbage, bomdong, bok choy and rapini ("Brassica rapa"), rocket salad/arugula ("Eruca sativa"), garden cress ("Lepidium sativum"), watercress ("Nasturtium officinale") and radish ("Raphanus") and a few spices like horseradish ("Armoracia rusticana"), "Brassica", wasabi ("Eutrema japonicum"), white, Indian and black mustard ("Sinapis alba", "Brassica juncea" and "B. nigra" respectively). Vegetable oil is produced from the seeds of several species such as "Brassica napus" (rapeseed oil), perhaps providing the largest volume of vegetable oils of any species. Woad ("Isatis tinctoria") was used in the past to produce a blue textile dye (indigo), but
Choy Li Fut Yim 張炎 gained for reopening the school, the Foshan Hung Sing Choy Li Fut school soon became known as the Jeong Hung Sing school of Choy Li Fut. The Choy Li Fut martial arts system has spread throughout the globe, with schools on almost every continent. All are recognized as an important part of the Choy Li Fut family because they are the pioneers that helped spread the art of Choy Li Fut throughout the world. Over time, in addition to the development of new techniques and other martial-arts styles, as with many martial arts, Choy Li Fut has developed