Zieria murphyi is a slender shrub which grows to a height of and has smooth branches which are velvety when young. The leaves are sometimes a single leaflet and otherwise composed of three linear to lance-shaped leaflets. The leaves have a
petiole long and the central leaflet is long and wide. The upper surface of the leaflets is dark green and covered with soft hairs whilst the lower surface in a lighter green and covered with velvety, star-like hairs. The flowers are white to pale pink and are arranged in groups of between three and nine in leaf
axils, the groups shorter than the leaves. The
sepals are triangular, about long and wide and the four petals are long and covered with soft hairs. Flowering occurs mainly in August and September and is followed in summer by fruit which are smooth
capsules, covered with soft hairs. ==Taxonomy and naming==