Gentianales gentianaceous • gentianella · · · Info · Definitions · Characters · · Gentianales · · Text Latin · · Script 11 · · Length Definitions · · · (noun) an order of dicotyledonous plants having gamopetalous flowers; Gentianaceae; Apocynaceae; Asclepiadaceae; Loganiaceae; Oleaceae; Salvadoraceae. Synonyms: order Gentianales. · · Noun Definition 1 Characters · · G latin capital letter g U+0047 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074