Leptospermum deuense is a leafy, densely branched shrub that typically grows to about high. It has rough bark on the older stems, smooth bark with soft hairs on the younger stems. The leaves are glossy green on the upper surface, densely hairy on the lower side, elliptical to lance-shaped, long and wide. The flowers are white and are borne singly or in pairs on short side branches, and are about in diameter. The
floral cup is hairy, about long on a
pedicel or more long. The
sepals are triangular, long and densely hairy. The
petals are about long and the stamens are about long. Flowering mainly occurs in February and the fruit is a woody
capsule in diameter. ==Taxonomy==