Anigozanthos Big red Common name: Tall Kangaroo Paw Name derivation: Anigozanthos; uncertain origin but probably from Greek anisos, unequal and anthos, anthers, referring to the flower shape. Cultivars: This is a cultivar of A. flavidus. Origin and habitat: W.A. Plant category: Evergreen Perennial. Height and spread: The leaves can grow to 0.5m whilst the flowers can reach 2m. It can spread to 2m wide. Habit and form: Clumping plant with strap-like leaves. The flowers are bright red.