germander n any of various plants of the genus Teucrium Usage(s) The wall germander, a tiny plant with a pink flower, is also rare. The list: aristolochic acid (birthwort), comfrey, germander, androstenedione, chaparral, kava, bitter orange, organ or gland extracts, lobelia, pennyroyal oil, scullcap and yohimbe. The list: aristolochic acid (birthwort), comfrey, germander, androstenedione, chaparral, kava, bitter orange, organ or gland extracts, lobelia, pennyroyal oil, scullcap and .