About Cullen tenax (Lindl.) J.W.Grimes
Cullen tenax, commonly known as emu foot, is a herbaceous perennial shrub. This species is most often found in forests or on heavy soils in medium to low rainfall areas of south-eastern Australia. It was first described in 1838 by John Lindley under the name Psoralea tenax, before being reassigned to the genus Cullen in 1996 by James Walter Grimes.