Eucalyptus obstans

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Port Jackson mallee
Mallee Ku-ring-gai Chase National Park.JPG
mallee at Ku-ring-gai Chase National Park, Australia
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species: E. obstans
Binomial name
Eucalyptus obstans
L.A.S.Johnson & K.D.Hill
  • Eucalyptus obtusiflora

Eucalyptus obstans, commonly known as the Port Jackson mallee, is common eucalyptus of south eastern Australia. It grows as a multi-stemmed mallee reaching 4 metres in height.[1]

The bark is smooth, grey or greenish. It grows on poor shallow sandstone soils from Ku-ring-gai Chase National Park to Jervis Bay.[2]


  1. ^ A Field Guide to Eucalypts - Brooker & Kleinig volume 1, ISBN 0-909605-62-9 page 98
  2. ^ "Eucalyptus obstans, PlantNET - NSW Flora Online". Retrieved 2010-11-19.