葱 - stone leek, Welsh onion

Welsh onion (Allium fistulosum); Japanese bunching onion; green onion; spring onion; scallion

Welsh onion (Allium fistulosum); Japanese bunching onion

heartshape false pickerelweed (Monochoria vaginalis)

onion flower head

tree onion (Allium x proliferum)

along comes a sucker just begging to be parted from his money; a duck comes carrying a Welsh onion on its back

white squill (Urginea maritima); sea onion

tuna minced with Welsh onion leaves (type of sushi topping)

light light blue; pale blue

scallion pancake; green onion cake

broadleaf wild leek (Allium ampeloprasum)

pale blue-green