Cryptocarya bamagana, commonly known as Bamaga walnut,[1] is a tree in the laurel family and is endemic to Cape York Peninsula. Its leaves are lance-shaped to elliptic or egg-shaped, the flowers cream-coloured and tube-shaped, and the fruit a spherical black drupe.
Cryptocarya bamagana is a rainforest tree that typically grows to a height of, its stem sometimes buttressed. Its leaves are lance-shaped to elliptic, long and wide on a petiole long. The flowers are arranged in clusters shorter than the leaves and sometimes have an unpleasant odour. The tepals are long, the outer anthers long and wide, the inner anthers long and wide. Flowering occurs from November to December, and the fruit is a spherical black drupe long and wide.[2]
Cryptocarya bamagana was first formally described in 1989 by Bernard Hyland in Australian Systematic Botany, from specimens collected by Hyland collected near Bamaga in 1982.[3]
Bamaga walnut grows near creeks in rainforest at altitudes from above sea level on Cape York Peninsula in Queensland.