Polynome:
Polynome alata:
Polynome alata (L.) Salisb., Dioscoreaceae: See Dioscorea alata L.
Polynome bulbifera:
Polynome bulbifera (L.) Salisb., Dioscoreaceae: See Dioscorea bulbifera L.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.