| Port Jackson mallee | |
|---|---|
![]()  | |
| mallee at Ku-ring-gai Chase National Park, New South Wales | |
| Scientific classification  | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Rosids | 
| Order: | Myrtales | 
| Family: | Myrtaceae | 
| Genus: | Eucalyptus | 
| Species: | E. obstans  | 
| Binomial name | |
| Eucalyptus obstans | |
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]
Eucalyptus obstans was first formally described in 1991 by Lawrie Johnson and Ken Hill in the journal Telopea,[3] but the Australian Plant Census considers E. obstans to be a synonym of E. burgessiana.[4]
References
- ↑ A Field Guide to Eucalypts - Brooker & Kleinig volume 1, ISBN 0-909605-62-9 page 98
 - ↑ "Eucalyptus obstans, PlantNET - NSW Flora Online". Retrieved 19 November 2010.
 - ↑ "Eucalyptus obstans". APNI. Retrieved 19 December 2019.
 - ↑ "Eucalyptus burgessiana". Australian Plant Census. Retrieved 19 December 2019.
 
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