from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An organism, especially a cultivated plant, such as a banana, not known to have a wild or uncultivated counterpart.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A plant whose origin or selection is primarily due to intentional human activity.
culti(vated) + -gen.(American Heritage® Dictionary of the English Language, Fourth Edition)
From culti(vated) + -gen (Wiktionary)