Zanthoxylum Piperitum Sehr Schlecht Reizstoff Keine bekannten Vorteile Zanthoxylum Piperitum Beschreibung _Zanthoxylum piperitum_ is a plant native to Szechuan Province in China. The Szechuan pepper that comes from it is known for the “numbing” sensation it produces on the tongue and is a potent skin irritant.