Asarum is a genus of plants in the birthwort family Aristolochiaceae, commonly known as wild ginger. Asarum is from Greek ἄσαρον, a name for Asarum europaeum. From Wikipedia
A study published in *Science* reveals how gene duplication and mutations in selenium-binding proteins enable certain plants to synthesize dimethyl disulfide, mimicking decay to attract pollinators.