Greek valerian 2noundomain: plantPrinceton WordNet [ver.3.1]EnglishDefinitionpinnate-leaved European perennial having bright blue or white flowersReport errorPath to highest hypernymMorphologySynset graphSynonymsJacob's ladder 1charity 4Polemonium caeruleum 1Polemonium van-bruntiae 1Polymonium caeruleum van-bruntiae 1