Liquid Herbal Extract- Piscidia erythrina- Root Bark- Herbal Dietary SupplementWe prepare our Jamaican Dogwood Extract from the root bark of Piscidia erythrina trees, which is Custom Wildcrafted especially for us in its wild native habitat in the mountains of Jamaica, and is never fumigated or irradiated. To assure optimal extraction of Jamaican Dogwood's bioactive compounds, the root bark is hand-harvested and carefully sun-dried, and is then air-expressed directly to our laboratory and promptly extracted.