The flowers are bisexual with 5 overlapping sepals with a long awn, and many stamens.

Plants in the genus Calytrix are dwarf to large shrubs with overlapping or widely-spaced leaves, but with stipules absent or small.

The flowers are arranged singly in leaf axils with 2 bracteoles at the base.

[8][9] The genus name (Calytrix) means "calyx hair", referring to the sepal awns.

[3] The following is a list of Calytrix species accepted by the Australian Plant Census as at June 2024:[11]