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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Myrtales

Familia: Myrtaceae
Subfamilia: Myrtoideae
Tribus: Eucalypteae
Genus: Eucalyptus
Subgenus: E. subg. Eudesmia
Sectio: E. sect. Limbatae
Species: Eucalyptus odontocarpa

Eucalyptus odontocarpa F.Muell.

Eucalyptus odontocarpa, commonly known as Sturt Creek mallee, is a mallee that is native to northern Australia.[2] Indigenous Australians know the plant as Warilyu.[3]

1 Description
2 Taxonomy
3 Distribution
4 Cultivation
5 See also
6 References


The mallee typically grows to a height of 1.5 to 5 metres (5 to 16 ft) and has smooth bark. It blooms between April and July producing inflorescences with white flowers.[2] It forms multiple stems each with a diameter of 5 to 10 centimetres (2.0 to 3.9 in)[4] from a lignotuber. The bark is usually smooth over the length of the trunk and branches and is grey to brown to coppery but sometimes white to cream to pink in colour sometimes with a short stocking of pale grey to yellowy-brown rough flaky bark.[5] The bark sheds from the tree in short ribbons or as small polygonal flakes.[6] The concolorous, glossy green adult leaves have an opposite to sub-opposite arrangement. The leaves are supported on petioles which are 0.5 to 1.7 centimetres (0.2 to 0.7 in) long. The leaf blade has a narrowly lanceolate to lanceolate shape and is 5.5 to 19.5 centimetres (2 to 8 in) in length and are 0.5 to 1.8 centimetres (0 to 1 in) wide with a base that tapers to the petiole.[5] The compound inflorescences are axillary or terminal with 0.2 to 0.5 centimetres (0.08 to 0.20 in) long terete peduncles with three buds per umbel. The buds have a clavate to pyriform shape and are 0.45 to 0.6 cm (0.18 to 0.24 in) in length and 0.4 to 0.6 cm (0.16 to 0.24 in) wide. When the sessile fruits form they are shortly pedicellate and have a cylindrical to barrel-shaped to cup-shaped to obconical shape with a length of 0.7 to 1.4 cm (0.28 to 0.55 in) and a width of 0.5 to 0.7 cm (0.20 to 0.28 in). The fruits have a vertically descending disc with three or four enclosed valves. They contain flattened dull grey seeds and are 4 to 6 millimetres (0.16 to 0.24 in) long.[5][7]

The species was first formally described by the botanist Ferdinand von Mueller in 1859 in the work Monograph of the Eucalypti of tropical Australia as published in the Journal of the Proceedings of the Linnean Society, Botany.[8] The type specimen was collected by von Mueller from along Sturt's Creek in the Northern Territory in 1856.[6] The species name is derived from ancient Greek and means "tooth-fruited" and refers to the four teeth found around the rim of the fruit.[5][9] E. odontocarpa is very similar to E. gamophylla, but E. gamophylla is easily separated by its mature crown of broader leaves with an opposite arrangement.[5]

It is found on rocky scree slopes and plateaux,[4] sand plains and hills in the Pilbara, Kimberley and northern Goldfields regions of Western Australia where it grows in red sandy-loamy soils.[2] It is also found in central areas of the Northern Territory from around Daly Waters in the north to Barrow Creek in the south and into north western Queensland.[5]

It is found in northern arid areas including the Little Sandy Desert, Tanami Desert, Great Sandy Desert and the Channel Country.

In the Northern Territory the species forms part of the upper shrub layer in mixed woodland communities on sandplains often found with Corymbia opaca, Hakea macrocarpa and Atalya hemiglauca in the overstorey with Acacia coriacea and Streptoglossa odora in the shrub layer with a ground layer beneath including grasses such as Triodia pungens, Aristida holathera, Aristida contorta and Astrebla pectinata.[10] In the Pilbara of Western Australia it is found in low tree woodlands with Corymbia hamersleyana over Acacia tumida var. pilbarensis shrubland with Templetonia hookeri and Acacia adoxa over Triodia epactia hummock grasses.[11]

Eucalyptus odontocarpa is sold commercially in seed form.[12] It is grown for use as firewood.[4] Indigenous Australians used the seeds of the plant as a food source.[3]
See also

List of Eucalyptus species


"Eucalyptus odontocarpa". Australian Plant Census. Retrieved 7 October 2019.
"Eucalyptus odontocarpa". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
David R. Harris; Gordon C. Hillman (2014). Foraging and Farming: The Evolution of Plant Exploitation. Routledge. ISBN 9781317598299.
"Eucalyptus odontocarpa". Ecocrop. Food and Agriculture Organization. Retrieved 14 December 2017.
"Eucalyptus odontocarpa F.Muell". FloraNT. Northern Territory Government. Retrieved 13 December 2017.
"Eucalyptus odontocarpa". Eucalink. Royal Botanic Garden, Sydney. Retrieved 14 December 2017.
"Eucalyptus odontocarpa". Centre for Australian National Biodiversity Research. Retrieved 31 May 2020.
"Eucalyptus odontocarpa F.Muell". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 13 December 2017.
Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 264. ISBN 9780958034180.
"OzDelta-1 Exploration Well Environmental Management Plan Summary Addendum for Stimulation and Testing" (PDF). Statoil. Retrieved 14 December 2017.
"Goldsworthy Extension Project Environmental Protection Statement" (PDF). Environmental Protection Agency. May 2006. Retrieved 14 December 2017.
"Eucalyptus odontocarpa Sturt Creek Mallee". Nindethana Australian Seeds. Retrieved 14 December 2017.

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