Cryptocarya microneura, commonly known as murrogun, murrogun laurel or brown jack,[2] is a species of flowering plant in the laurel family and is endemic to eastern Australia.

It is a rainforest tree with lance-shaped to elliptic leaves, the flowers cream-coloured and tube-shaped but not perfumed, and the fruit a spherical to elliptic black drupe.

Flowering occurs from September to November, and the fruit is a spherical to elliptic black drupe 12–14 mm (0.47–0.55 in) long and 10–14 mm (0.39–0.55 in) wide.

[2][3][4][5] Cryptocarya microneura was first formally described in 1864 by Carl Meissner in de Candolle's Prodromus Systematis Naturalis Regni Vegetabilis.

[8] This species of Cryptocarya grows in rainforest and wet forest from sea level to an altitude of 600 m (2,000 ft) from Gympie in Queensland to Tuross Heads in New South Wales.