Australian Native Plants

  Eucalyptus microtheca (Coolabah)


Eucalyptus microtheca photo
Eucalyptus microtheca buds

Photograph by Mark Marathon. Some rights reserved.    (view image details)

Eucalyptus microtheca photo
Eucalyptus microtheca fopliage

Photograph by Mark Marathon. Some rights reserved.    (view image details)

Eucalyptus microtheca photo
Eucalyptus microtheca tree

Photograph by Mark Marathon. Some rights reserved.    (view image details)



Credits:
Description, Habitat and Distribution information is sourced from: G.M.Chippendale (2017) Eucalyptus microtheca. In: Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. https://profiles.ala.org.au/opus/foa/profile/Eucalyptus%20microtheca Licensed under Creative Commons CC BY 4.0 license.



COOLABAH FACTS

distribution map showing range of Eucalyptus microtheca in Australia

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


Common Name
Coolabah

Description
Tree to 20 m. Bark varies from smooth and white or grey throughout to rough, fibrous, grey to grey-black on trunk and often on larger branches. Juvenile leaves alternate, lanceolate to broadly lanceolate, green to grey-green or glaucous, slightly discolorous. Adult leaves lanceolate or narrowly lanceolate, acute; lamina 8-17 cm long, 0.8-2.5 cm wide, dull, green or grey-green; lateral veins clearly visible, at 35° -60° ; intramarginal vein up to 1 mm from margin; petiole terete, 8-17 mm long. Umbels 7-flowered; peduncle terete, 3-9 mm long; pedicels 1-4 mm long. Buds usually ovoid, occasionally fusiform, often glaucous; operculum hemispherical, apiculate, or conical, 1-2 mm long, 2-3 mm wide; hypanthium obconical, c. 2 mm long, 2-3 mm wide. Fruits hemispherical or obconical, 1-5 mm long, 3-7 mm wide; disc very narrow, ascending, or absent; valves 3 or 4, strongly exserted.

Habitat
Grows on seasonally flooded, heavy grey and brown soil, such as margins of swamps, lagoons and watercourses, in open woodland.

Distribution
Occurs over most of the arid and semi-arid areas of mainland Australia N of 33℃S latitude.



Classification
Class:Magnoliopsida
Order:Myrtales
Family:Myrtaceae
Genus:Eucalyptus
Species:microtheca
Common Name:Coolabah


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 grandis
  Eucalyptus intertexta
  Eucalyptus largiflorens
  see A-Z list for more ...