The Triarius, a

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

, is a very large ''

Eucalyptus regnans ''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including ''Corymbia'', they are commonly known as eucal ...

'' that is located in southern

Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. In 2010 the tree was estimated to be tall, its diameter was , and the volume of the trunk was . The tree was discovered in August 2008 by employees of

Forestry Tasmania Sustainable Timber Tasmania (formerly Forestry Tasmania) is a government business enterprise wholly owned by the Government of Tasmania, Australia. It is responsible for the management of public production forest in Tasmania, which is about 80 ...

while analysing the data collected by

LiDAR Lidar (, also LIDAR, or LiDAR; sometimes LADAR) is a method for determining ranges (variable distance) by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver. It can also be ...

system used in mapping and assessment of state forest resources. The tree was discovered located in

secondary forest A secondary forest (or second-growth forest) is a forest or woodland area which has re-grown after a timber harvest or clearing for agriculture, until a long enough period has passed so that the effects of the disturbance are no longer evident. ...

and survived logging and forest fires by a lucky coincidence. Next to the ''Triarius'', south-east from it there grows the highest known eucalypt in the world - the tall ''E. regnans'' named ''

Centurion A centurion (; la, centurio , . la, centuriones, label=none; grc-gre, κεντυρίων, kentyríōn, or ) was a position in the Roman army during classical antiquity, nominally the commander of a century (), a military unit of around 80 ...

''. In 2019 Triarius suffered major fire damage in the January 2019 bush fires. While not reduced in height many of the branches and leaves dropped off and its survival was uncertain months later.

References

{{Southern Tasmania , state=autocollapse Individual eucalypts Tourist attractions in Tasmania Tasmanian forests Southern Tasmania Individual trees in Tasmania