allium fistulosum allium cernuum • allium haematochiton · · · Info · Definitions · Characters · · allium fistulosum · · Text Common · · Latin · · Scripts 17 · · Length 7 · · Syllables Definitions · · · (noun) Asiatic onion with slender bulbs; used as early green onions. Synonyms: Welsh onion, Japanese leek, Allium fistulosum. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075