ExplorePlants

River Red Gum

eucalyptus camaldulensis

The River Red Gum is an iconic symbol of the Australian outback. This majestic, broad-leaved evergreen tree is famous for lining the banks of inland watercourses, providing much-needed shade and stability to riparian ecosystems. Its twisted, massive branches create a dramatic silhouette against the sky, while its natural hollows offer crucial nesting sites for dozens of native bird and mammal species. Adaptable yet dependent on periodic flooding to regenerate, the River Red Gum plays a foundational role in Australia's hydrology and biodiversity. Its heavy, red timber is highly durable, valued historically for railway sleepers and modernly for fine furniture. For thousands of years, Indigenous Australians have utilized this tree for shelter, medicine, and canoes, cementing its status as an ecological and cultural cornerstone.

Habitat: Typically found lining the banks of watercourses, rivers, and seasonal floodplains across mainland Australia.

Appearance

Growing up to 45 meters tall, the River Red Gum features a thick, gnarled trunk and a massive, spreading crown. Its distinctive bark is smooth and mottled, patterned with patches of white, grey, green, and pinkish-red, which peels away in long ribbons. The adult leaves are narrow, lance-shaped, and hang vertically, displaying a dull, grey-green color on both sides. In spring and summer, it produces clusters of small, creamy-white flowers, which mature into woody, cup-shaped seed capsules about 5 to 8 millimeters wide.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderMyrtalesFamilyMyrtaceaeGenusEucalyptus
River Red Gum
River Red Gum

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Because it regularly drops huge limbs without warning, camper safety signs in Australia often warn against pitching tents directly beneath them.

The timber has a rich, deep red color and is incredibly dense, making it highly resistant to termites and water rot.

They are known as 'cradle trees' or 'canoe trees' because Indigenous Australians carved bark sheets from them to make watercraft and shields, leaving permanent scars.

Special abilities

Ability

Deep-Water Mining

It develops extensive root systems that can penetrate up to 30 meters deep to access groundwater during severe droughts.

Ability

Self-Pruning Limb Drop

The tree is known to drop large, heavy branches during dry spells to conserve water and survive extreme heat.

Ability

Flood-Induced Germination

Its seeds rely on retreating floodwaters to deposit them on fertile, moist mud, initiating rapid germination.

Measurements & details

Length
2000-4500 cm
Weight
5000-60000 kg
Lifespan
200-1000 years
Incubation
10-21 days

Diet & Feeding

As a photoautotrophic plant, the River Red Gum produces its own food through photosynthesis, utilizing sunlight, carbon dioxide, and water.

Primary Foods

  • Sunlight
  • Carbon dioxide
  • Water
  • Soil minerals

Ecological connections

eaten by

Koala

Phascolarctos cinereus

The leaves of the River Red Gum are a secondary food source and its branches provide roosting sites.

host plant

Red-tailed Black Cockatoo

Calyptorhynchus banksii

Uses hollows in mature trees for nesting and feeds on the seeds.

mutualism

Mistletoe Bird

Dicaeum hirundinaceum

Feeds on mistletoe parasitic on the gum branches, spreading seeds.

Traits

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Also known as

No aliases listed yet.

Collections

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify River Red Gum?

The easiest way to identify River Red Gum is to use the Snappit nature identifier app.

How long is River Red Gum?

2000-4500 cm

How much does River Red Gum weigh?

5000-60000 kg

How long does River Red Gum live?

200-1000 years

What does River Red Gum eat?

As a photoautotrophic plant, the River Red Gum produces its own food through photosynthesis, utilizing sunlight, carbon dioxide, and water.

Where is River Red Gum usually found?

Typically found lining the banks of watercourses, rivers, and seasonal floodplains across mainland Australia.

How long do River Red Gum eggs take to hatch?

10-21 days

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