Endiandra glauca, commonly known as brown walnut, is a species of plant in the family Lauraceae native to New Guinea and Queensland, Australia. It is a rainforest tree, first described in 1810. It has a conservation status of least concern.
Description Endiandra glauca is a tree that grows up to tall with a trunk up to diameter. The bark is usually nondescript and buttresses are absent. The leaves may grow to long and with 4–9 pairs of lateral veins. The upperside is green, the underside is and covered in pale to brown appressed hairs. The midrib is sunken in the upper surface, and domatia are absent.
The inflorescence is a panicle emerging from the . Flowers are pale cream, green or brown and without fragrance; they have six tepals up to long. The fruit is an ellipsoid drupe, dark blue or purple to black, glaucous, and measuring about long and wide. It contains a single brown seed about long and wide.
Distribution It is found in New Guinea and in Cape York Peninsula, Queensland, as far south as the Daintree River. It grows in and near rainforest on various soil types, at altitudes from sea level to about .
Conservation This species was assessed by the International Union for Conservation of Nature (IUCN) in 2019 and found to be of least-concern. It is also rated as least-concern by the Queensland Government under its Nature Conservation Act. In its statement, the IUCN cites the lack of any perceived threat to the species, as well as a wide distribution and large population, as the basis for the assessment.
References
External links
Map of herbarium collections of this species at the Australasian Virtual Herbarium Observations of this species on iNaturalist