Pseudocydonia:
Pseudocydonia sinensis:
Pseudocydonia sinensis (Thouin) C. K. Schneid, Rosaceae: See Chaenomeles sinensis (Thouin) Koehne.
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.