Zi Collection, Upper Volume, Page 1, Entry 01 Pronounced xi (entering tone) according to Qieyun. Pronounced xiang (entering tone) according to Jiyun, with the same pronunciation as the character "si". The "Qimin Yaoshu" (Qimin Yaoshu), quoting "Zilin" (Zilin), explains: this is a type of grass that grows in water, and its flowers are edible.