Cook Strait kōwhai (Sophora molloyi), also known as Molloy's kōwhai or Stephen's Island kōwhai, is one of 8 species of kōwhai native to New Zealand, and grows naturally around the Cook Strait region. It was first described as a species in 2001 and named after Dr. Brian Molloy of Landcare Research, who was a researcher and scientist there for more than 30 years.