Hello:I don't know if the species were cultivated for food, but the species is sometimes heard and told as a kind of traditional herb in Taiwan, too.(Though it is not on the Pharmacopoeia of R.O.C. now.) And the video is about the herb cultivating skill. There are 2 varieties listed on the Pharmacopoeia of the People's Republic of China 2015 Chonglou PARIDIS RHIZOMAParis polyphylla Smith var. yunnanensis （Franch.）Hand. -Mazz.Paris polyphylla Smith var. chinensis （Franch.） FierycloudTaiwan _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…