Cryptocarya erythroxylon commonly known as rose maple, rose walnut, pigeonberry ash, red-wooded cryptocarya, southern maple or bottleberry, is a species of flowering plant in the laurel family and is endemic to eastern Australia. Its leaves are elliptic to lance-shaped the flowers cream-coloured and tube-shaped, and the fruit a pear-shaped black drupe.
Cryptocarya erythroxylon is a tree that typically grows to a height of up to, its stem usually buttressed. Its leaves are elliptic to lance-shaped, long and wide on a petiole long. The lower surface of the leaves is glaucous. The flowers are cream-coloured and arranged in panicles shorter than the leaves. The perianth tube is about long and wide, the outer tepals long and wide, the inner tepals long and wide. Flowering occurs in November, and the fruit is a pear-shaped black drupe, long and wide.
Cryptocarya erythroxylon was first formally described in 1907 by Joseph Maiden in The Forest Flora of New South Wales, from an unpublished description by Maiden and Ernst Betche of a tree discovered by William Dunn in the "Macpherson Range".
Rose maple grows in subtropical rainforest in coastal ranges at altitudes at between Gympie in Queensland and Barrington Tops in New South Wales.