hedge hyssop


noun

any plant of the genus Gratiola, a bitter herb used medicinally.
Also hedge-hys·sop [hej-his-uh p] /ˈhɛdʒˌhɪs əp/.

British Dictionary definitions for hedge hyssop

hedge hyssop

noun

any of several North American scrophulariaceous plants of the genus Gratiola, esp G. aurea, having small yellow or white flowers