Introduction
Opuntia undulata Griffiths is synonymous with O. undosa Griffiths. Griffith reported that the plant was cultivated in many parts of Mexico and that it was unrelated to O. ficus-indica. Perhaps it is only known as a cultivated plant.
Links
O. undulata at Tropicos
O. undulata at the Plant List
![Opuntia undulata 7484](https://i0.wp.com/opuntiads.com/griffiths/wp-content/uploads/7484undulata249merge1x.jpg?resize=640%2C562)