It has thin, rough, scaly bark, broadly elliptical leaves, deep pink flowers borne singly on side shoots and fruit that is fleshy and succulent at first.

The bark is thin, rough, grey and scaly and the young stems are covered with spreading hairs.

[2] This species was first formally described in 1992 by Anthony Bean who gave it the name Leptospermum venustum in the journal Austrobaileya.

[2][3] In 2023, Peter Gordon Wilson transferred the species to the genus Gaudium as G. trinervium in the journal Taxon.

[2] This species is classified as "vulnerable" under the Queensland Government Nature Conservation Act 1992.