Pollia japonica, known as East Asian pollia in English, yabumyoga (ヤブミョウガ) in Japanese, and dùruò (杜若) in Chinese, is a perennial flower native to East Asia. Its niche is forests 0–1200 m. It is native in Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, and Sichuan Provinces of China. It is also found in Taiwan, Japan, and Korea. Source: Wikipedia (en)