Assertion: welsh onion | /r/HasProperty | a. fistulosum
Facets:
Source sentences:
text: Spring onions or salad onions may be grown from the Welsh onion (A. fistulosum), as well as from A. cepa.
text: It was once thought that the tree onion could be related to this plant, but it is now known that the cultivated tree onion is a hybrid between the common onion (A. cepa) and Welsh onion (A. fistulosum), classified as A. × proliferum.