The tree typically grows to a height of 5 to 8 metres ( 16 to 26 ft ) .
The tree typically has rough light grey box - type bark on the trunk that becomes smooth on the branchlets .
The tree typically grows to a height of 5 to 8 metres ( 16 to 26 ft ) and has rough light grey box - type bark on the trunk that becomes smooth on the branchlets .