Plant
Blue Quandong
Elaeocarpus angustifoliusAlso known as Blue Marble Tree, Rudraksha Tree, Silver Quandong, White Quandong
Blue quandongs dominate tropical rainforest canopies, supported by expansive fluted buttress roots that stabilize the massive trunk in shallow soils. Their remarkable spherical fruits achieve a dazzling, iridescent cobalt sheen through structural coloration in the cuticle rather than blue pigments. Dropping heavily through the seasons, these fruits serve as a cornerstone food resource for rainforest seed dispersers like cassowaries and fruit pigeons.
RainforestCanopy TreeEvergreen
—observations
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—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyAutotrophic (photosynthetic)
Predators
- Southern Cassowary
- Wompoo Fruit-Dove
- Spectacled Flying-Fox
ThreatsRainforest clearing, habitat fragmentation, and logging
HabitatsLowland tropical rainforests, gallery forests, and river margins
Life span100–300 years
Classification
- OrderOxalidales
- FamilyElaeocarpaceae
- GenusElaeocarpus
- SpeciesElaeocarpus angustifolius
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Wild berries have toxic look-alikes; never eat based on app identification alone.
Responsible observation
- Observation: Scan the forest floor beneath buttressed canopy trees for bright metallic-blue fallen fruits.
- Wildlife Watching: Stake out fruiting branches early in the morning to spot feeding fruit pigeons and bowerbirds.
Seed Disperser Summerdrought / CC BY-SA 4.0 · cc-by-sa
Seed Disperser cuatrok77 / CC BY 2.0 · cc-by
Close Relative (c) Nathan Odgers, some rights reserved (CC BY), uploaded by Nathan Odgers · cc-by
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