Not the good guava
Location: nationwide Distinctive features: tiny white flowers from June to March, round purple fruit from March onwards
This is a large shrub or small tree to 6m with a smooth, pale brown trunk. Shoots are covered with thick, fine hairs when young. Oval leaves are glossy and dark green above, and dotted with glands beneath. Solitary white flowers (to 10mm diameter) are usually produced in all upper leaf bases from June to March, and are followed by round, berry-like fruits (to 2cm diameter) that have sweet, purple (occasionally whitish) flesh that become dark purple as they mature.
The fruit have massive seeding ability and seeds are well dispersed. It forms dense or pure stands in open areas and under bush canopy, preventing the establishment of native plant seedlings, taking over native forest areas.