Jacksonia Jackson • Jacksonian · · · Info · Definitions · Characters · · Jacksonia · · Text Latin · · Script 9 · · Length Definitions · · · (noun) genus of yellow-flowered Australian unarmed or spiny shrubs without true leaves but having leaflike stems or branches. Synonyms: genus Jacksonia. · · Noun Definition 1 Characters · · J latin capital letter j U+004A a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073