ʻAeʻae or Water hyssop Plantaginaceae (Plantain family) Indigenous to the Hawaiian Islands Oʻahu (Cultivated)  The whole herb is used medicinally in India in a variety of ways. It is grown as a medicinal crop and is being research for antioxidant properties, to help the nervous system, and to improve memory and mental functions.   nativeplants.hawaii.edu/plant/view/Bacopa_monnieri