hedge hyssop

noun

any plant of the genus Gratiola, a bitter herb used medicinally.

Also hedge-hys·sop [hej-his-uh p] /ˈhɛdʒˌhɪs əp/.

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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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012