Australian Native Plants

  Eucalyptus grandis (Flooded Gum)

Eucalyptus grandis photo
Eucalyptus grandis Flooded Gum

Photograph by Tatiana Gerus. Some rights reserved.    (view image details)

Eucalyptus grandis photo
Eucalyptus grandis, Kerewong State Forest, NSW, Australia. 55 metres tall

Photograph by Poyt448 Peter Woodard. Some rights reserved.    (view image details)

Eucalyptus grandis photo
Eucalyptus grandis, the flooded gum or rose gum - ornamentally planted specimen

Photograph by John Robert McPherson. Some rights reserved.    (view image details)

Description, Habitat and Distribution information is sourced from: G.M.Chippendale (2017) Eucalyptus grandis. In: Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Licensed under Creative Commons CC BY 4.0 license.

Growth Characteristics information is sourced from: State Flora Catalog, Government of South Australia Licensed under Creative Commons CC BY 4.0 license.


distribution map showing range of Eucalyptus grandis in Australia

Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License

Common Name
Flooded Gum

Other Names
Rose Gum

The Flooded Gum is a tree to 55 m. Bark smooth, white, grey-white or blue-grey, with some rough flaky bark at base up to 4 m. Juvenile leaves ovate. Adult leaves lanceolate; lamina 10-16 cm long, 2-3 cm wide; lateral veins conspicuous, at 40° -55° ; intramarginal vein up to 1 mm from margin; petiole 15-20 mm long. Umbels 7-11-flowered; peduncle flattened, 8-18 mm long; pedicels angular, absent or to 3 mm long. Buds ovoid or broadly fusiform; operculum conical or slightly rostrate, 3-4 mm long, 4-5 mm wide; hypanthium obconical or campanulate, 3-4 mm long, 4-5 mm wide. Fruits subpyriform, 5-8 mm long, 4-7 mm wide; disc narrow, level or descending; valves 4 or 5, exserted, incurved.

Grows usually on lower slopes and flats of valleys, in tall open forest, often on the fringes of or in rainforest.

Occurs in Qld and N.S.W. in several disjunct areas: in the Atherton area, W of Townsville, W of Mackay, and with the main area from near Bundaberg southwards to near Port Stephens.

Growth Characteristics
Height (m): 20 - 40
Spread (m): 15 - 20
Soil Texture: loam, clay
Soil pH: acid soils, neutral soils
Frost Sensitivity: moderately sensitive
Minimum Rainfall (mm): 700
Flower Colour: white
Flower Season: winter, spring

(source: SA State Flora Catalog)

Common Name:Flooded Gum

Relatives in same Genus
  Eucalyptus acaciiformis
  Eucalyptus accedens
  Eucalyptus acies
  Eucalyptus albens
  Eucalyptus bancroftii
  Eucalyptus baxteri
  Eucalyptus caleyi
  Eucalyptus camaldulensis
  Eucalyptus camphora
  Eucalyptus cloeziana
  Eucalyptus crebra
  Eucalyptus crenulata
  Eucalyptus curtisii
  Eucalyptus dealbata
  Eucalyptus dumosa
  Eucalyptus eugenioides
  Eucalyptus forrestiana
  Eucalyptus goniocalyx
  Eucalyptus intertexta
  Eucalyptus largiflorens
  Eucalyptus leucoxylon var Rosea
  see A-Z list for more ...