Description Grevillea exul is sometimes grown in Australia but it is actually a native of New Caledonia. It is tree with narrow lancelolate or elliptic leaves with blunt leaf tip. The flowers are white or pink. Fruit follicles are 12mm to 20 mm long and 9mm to 15mm wide. There are two subspecies G. exul exul has white flowers and G. exul rubignosa has pink flowers.