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
Philip Choy Philip Choy Philip P. Choy (December 17, 1926 – March 16, 2017) was an architect and historian of Chinese American studies. He is the author of "" (2012), "Canton Footprints: Sacramento’s Chinese Legacy" (2007), and "The Coming Man: 19th Century American Perceptions of the Chinese" (1994). Choy has been a community activist known for landmark preservation in San Francisco. Choy was born in San Francisco, California on December 17, 1926. He grew up in San Francisco Chinatown and he was the fourth in a family of five children with three older sisters and a younger brother. During high school, Choy