hypericum perforatum hypericum maculatum • hypericum prolificum · · · Info · Definitions · Synonyms · Characters · · hypericum perforatum · · Text Common · · Latin · · Scripts 20 · · Length 8 · · Syllables Definitions · · · (noun) yellow-flowered perennial common in fields and waste places but a weed in rangelands. Synonyms: klammath weed, Hypericum perforatum. · · Noun Definition 1 Synonyms · · · klammath weed · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079