Nature conservation

Threatened species

Crystal Creek Walnut - profile

Indicative distribution

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The areas shown in pink and/purple are the sub-regions where the species or community is known or predicted to occur. They may not occur thoughout the sub-region but may be restricted to certain areas. ( click here to see geographic restrictions). The information presented in this map is only indicative and may contain errors and omissions.
Scientific name: Endiandra floydii
Conservation status in NSW: Endangered
Commonwealth status: Endangered
Profile last updated: 20 Aug 2018


A small tree to 15 m tall, often with coppice shoots at the base, and with dark green shiny adult leaves 5 – 15 cm long and 2 – 5 cm wide, and pinkish-brown new leaves. The trunk is dark grey while branchlets in the foliage are thick and green. The small green to cream flowers are held in small clusters back within the leaves. The fruits are egg- or pear-shaped, 5 – 7 cm long, and red to purplish-black when ripe.


Confined to the Tweed and Brunswick Valleys and Byron Bay area of north-east NSW, and to one or two locations in south-east Queensland.

Habitat and ecology

  • Warm temperate, subtropical rainforest or wet sclerophyll forest with Brush Box overstorey, and in and Camphor Laurel forest. The species can occur in disturbed and regrowth sites.
  • The species generally preferres sheltered locations however it has been recorded on ridgelines, slopes, gullies and creek flats.
  • It occurs from sea level up to 430 m above sea level.
  • Flowering has been observed from November to May.
  • Fruit, which has been observed from December to May, is not produced every year, and heavy crops are produced at irregular intervals.
  • Following the severe drought conditions of the 2002 dry season, heavy fruit crops were reported throughout the range of the Crystal Creek Walnut.
  • Seeds germinate readily and rapidly in nursery conditions.
  • From one recorded fire exposure event the species was found to resprout from the root stock following the fire, the main trunk was killed by the fire.

Regional distribution and habitat

Click on a region below to view detailed distribution, habitat and vegetation information.


Recovery strategies

Activities to assist this species

Information sources

IBRA Bioregion IBRA Subregion Known or predicted Geographic restrictions region
South Eastern QueenslandBurringbar-Conondale Ranges Known None
South Eastern QueenslandClarence Lowlands Predicted North of Ballina
South Eastern QueenslandScenic Rim Known None
South Eastern QueenslandSunshine Coast-Gold Coast Lowlands Predicted None