spirodela polyrrhiza Spirodela • spirogram · · · Info · Definitions · Synonyms · Characters · · spirodela polyrrhiza · · Text Common · · Latin · · Scripts 20 · · Length 8 · · Syllables Definitions · · · (noun) cosmopolitan except South America and New Zealand and some oceanic islands. Synonyms: great duckweed, water flaxseed, Spirodela polyrrhiza. · · Noun Definition 1 Synonyms · · · great duckweed · · Synonym 1 water flaxseed · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079 z latin small letter z U+007A