It is an erect or spreading shrub with oblong, elliptic or egg-shaped leaves with the narrower end toward the base, and white flowers with five stamens.

The flowers are borne singly, in pairs or groups of three in upper leaf axils on a pedicel 2–6 mm (0.079–0.236 in) long.

The flowers are often pinkish in bud, the sepals and petals similar to each other, white, broadly elliptic, about 1.5 mm (0.059 in) long and there are five stamens.

[2][3][4][5] This species was first formally described in 1838 by John Lindley who gave it the name Baeckea calycina in Thomas Mitchell's book, Three Expeditions into the interior of Eastern Australia .

[6] In 1924, Otto Stapf changed the name to Thryptomene calycina in The Botanical Magazine.