Calytrix involucrata is a glabrous shrub that typically grows to a height of up to . Its leaves are spreading to erect, linear to elliptic, long and wide on a
petiole long. There are
stipules up to long at the base of the petioles. The flowers are borne in tight clusters with egg-shaped
bracts up to long and wide on a
peduncle long with elliptic lobes long. The
floral tube has 10 ribs and is long. The
sepals are joined at the base, broadly egg-shaped with the narrower end towards the base, long and wide with
awns up to long. The petals are white, sometimes with a pink tinge, egg-shaped to elliptic, long and wide, and there are 17 to 25 white stamens in a single row. Flowering occurs from August to October. ==Taxonomy==