Otacanthus caeruleus Otacanthus caeruleusCommon name(s): Brazilian Snapdragon, Amazon BlueFamily: PlantaginaceaeOrigin: South AmericaCategories: Blue & Purple Flowers | Indoor Plants |More species from the Plantaginaceae / plantain familyAngelonia angustifolia “Serena White”Angelonia angustifolia cv.Antirrhinum hispanicumAntirrhinum majusCallitriche palustrisChaenorhinum minusChaenorhinum origanifoliumCymbalaria hepaticifoliaCymbalaria muralisDigitalis grandifloraDigitalis purpureaHebe armstrongiiHebe ×andersonii “Classica”Hebe ×andersonii “Donna”Hippuris vulgarisLimnophila sessilifloraLinaria vulgarisMecardonia “Gold Dust”Plantago arenariaPlantago crassifoliaPlantago lanceolataPlantago majorPlantago major “Rosularis”Plantago major “Rubrifolia”Plantago maritimaPlantago mediaRusselia equisetiformisVeronica anagallis-aquaticaVeronica beccabungaVeronica chamaedrysVeronica filiformisVeronica gentianoidesVeronica hederifoliaVeronica officinalisVeronica persicaVeronica serpyllifoliaVeronica sp.Veronica sublobataVeronica teucriumVeronica × andersoniiVeronicastrum virginicum