It has elliptical to lance-shaped leaves with a sharp point on the tip, white flowers and small fruit that falls from the plant shortly after the seeds are released.

Flowering mainly occurs from August to October and the fruit is a capsule 3–4 mm (0.12–0.16 in) wide, most of which are shed soon after the seeds are released.

[2][3] This species was first formally described in 1923 by Edwin Cheel who gve it the name Leptospermum microcarpum in the Journal and Proceedings of the Royal Society of New South Wales.

[4][5] In 2023, Peter Gordon Wilson transferred the species to the genus Gaudium as G. microcarpum in the journal Taxon.

[6] This tea-tree grows on rocky mountains and cliff edges between the Wide Bay district in Queensland and Ashford in northern New South Wales.