Botanical Name: Viburnum prunifolium Plant Part Extracted: Stem & Root Bark Contains: Certified organic grain alcohol, distilled water, vegetable glycerine & Black Haw extractives. Description: We prepare our Black Haw Extract from the stem & root bark of Viburnum prunifolium trees which are Custom WildcraftedT in their wild native habitat. To assure optimal extraction of Black Haw's bioactive compounds, the bark is hand-harvested in the early spring, is carefully shade-dried, and is then thoroughly extracted. Our Black Haw is never fumigated or irradiated. .