Beilschmiedia brunnea, commonly known as brown walnut, is a species of plant in the family Lauraceae first described in 1989. It is a large tree native to northeast Queensland, Australia, and has a conservation status of least concern.
Description Beilschmiedia brunnea is a buttressed tree reaching up to in height and diameter. The leaves are attached to the twigs with a petiole about long; the leaf blades average about long and wide. They have four or five veins on either side of the midrib and the leaf underside is (chalky green) in colour.
The inflorescence is a panicle which emerges from the . The scented flowers are pale green to pale brown, with two whorls of finely-hairy tepals about long. There are nine stamens and three staminodes (sterile stamens), all about long. The ovary is or nearly so, and may be up to wide.
The fruit is a black drupe up to long and wide. The flesh is yellow and it contains a single brown seed about long and wide.
Distribution and habitat It grows in mature upland rainforest from the Clohesy River west of Kuranda, south across the Atherton Tableland to Koombooloomba National Park and west to Ravenshoe, at altitudes from . It prefers soils based on granite and basalt.
Taxonomy This species was described in 1989 by Australian botanist Bernard Hyland. It was published in his 232-page paper A Revision of Lauraceae in Australia (excluding Cassytha).
Conservation This species is listed as least concern in the Queensland Government's WildNet database, and by the International Union for Conservation of Nature.
References
External links
Map of herbarium collections of this species at the Australasian Virtual Herbarium Observations of this species on iNaturalist Images of this species on Flickriver.com