The Blue mallee, or Blue-leaved mallee (Eucalyptus polybractea) is a small multi-trunked sclerophylltree that grows naturally in western New South Wales and the Inglewood area in Victoria, Australia. The bark is smooth, and fibrous near the trunk base. Leaves are disjunct and linear to narrow-lanceolate. Juvenile leaves are glaucous, and adult leaves grey-green. Flowers are followed by woody capsules 3-6 mm long.