Pimelea cinerea is a slender shrub that typically grows to a height of , the stems densely hairy but with few branches. The leaves are arranged in opposite pairs, elliptic to narrowly elliptic or oblong, long and wide on a short
petiole. The flowers are borne in few-flowered heads surrounded by 2, 4 or 6
bract-like leaves, and are
bisexual, white and hairy on a hairy
pedicel, the
floral tube long and the
sepals about long. Flowering occurs from November to January. ==Taxonomy and naming==