Calytrix drummondii is a glabrous shrub that typically grows to a height of up to . Its leaves are linear, closely-spaced, long, wide and taper to a fine point, on a
petiole long. The flowers are borne on a
peduncle long, the
floral tube long, with 8 to 10 ribs. The
sepals are joined for a short distance at the base, the lobes broadly egg-shaped with the narrower end towards the base, long and wide, with an
awn up to long. The petals are yellow, egg-shaped to narrowly elliptic, long and wide. There are about 55 to 85 yellow stamens long in usually 4 rows. Flowering occurs from November to January. ==Taxonomy==