Alyssumn.

Alyssum (n.)genus name for plants of the mustard family, 1550s, from Latin alysson, from Greek alysson, which is perhaps the neuter of adjective alyssos "curing madness," from privative prefix a- + lyssa "madness, martial rage, fury, rabies," literally "wolf-ness," related to lykos "wolf" (see wolf (n.)).