Gynura bicolor
 Gynura bicolor hongfeng cai 紅鳳菜 okinawan spinach or edible gynura is a member of the chrysanthemum family (Asteraceae). There are two kinds: one that is green on both sides and another with leaves that are green on the top and purple underneath. Both kinds are considered medicinal vegetables. Gynura bicolor is a perennial and therefore found for sale throughout the year; however winter and spring is the best time.[citation needed]