| 1 | After liberation, the scholastic circles denominate this crop of common vegetable-fruit as Doushu in Chinese language. | |
| 2 | After liberation, the scholastic circles denominate this crop of common vegetable-fruit as Doushu in Chinese language. | |
| 3 | Some squeezed lemon juice on slices of jicama, a crispy, sweet, edible root from Mexico. | |
| 4 | With the great geographical discovery at the end of 15th century, the western-Europeans in the 16th century recorded yam bean. | |
| 5 | The Spanish spread the (cultivation of) Yam bean into Philippines in the next half of the 16th century. Since then it spread over the southeastern Asia from Philippines. |