allium cepa viviparum(n = noun.plant) egyptian onion, top onion, tree onion - type of perennial onion grown chiefly as a curiosity or for early salad onions; having bulbils that replace the flowers; Array
is a kind of allium cepa, onion, onion plant

allium, allium acuminatum, allium ampeloprasum, allium ascalonicum, allium canadense, allium carinatum, allium cepa, allium cepa aggregatum, allium cernuum, allium fistulosum, allium haematochiton, allium neopolitanum, allium paradoxum, allium porrum, allium sativum, allium schoenoprasum, allium scorodoprasum, allium sphaerocephalum, allium tricoccum, allium triquetrum, allium tuberosum, allium ursinum, allium vineale, genus allium