''Sphaeropteris australis'',

synonyms A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

''Alsophila leichhardtiana'' and ''Cyathea leichhardtiana'', the prickly tree fern, is a plant in the tree fern family,

Cyatheaceae The Cyatheaceae are a family of ferns, the scaly tree ferns, one of eight families in the order Cyatheales in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Alternatively, the family may defined much more broadly (Cyatheaceae ...

. It is native to eastern Australia (

Victoria Victoria most commonly refers to: * Queen Victoria (1819–1901), Queen of the United Kingdom and Empress of India * Victoria (state), a state of Australia * Victoria, British Columbia, Canada, a provincial capital * Victoria, Seychelles, the capi ...

New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...

and

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

). It is a common species found in moist situations, in and near

rainforests Rainforests are forests characterized by a closed and continuous tree Canopy (biology), canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforests can be generally classified as tropi ...

. Seen between one and seven metres tall, it may be identified by the thin, prickly trunk, 5 to 15 cm wide. The sori lack true indusia, the base of the

sorus A sorus (: sori) is a cluster of sporangia (structures producing and containing spores) in ferns and fungi. A coenosorus (: coenosori) is a compound sorus composed of multiple, fused sori. Etymology This Neo-Latin word is from Ancient Greek � ...

bears a ring of scales. Fronds are up to 3 metres long, and the stipe is around 20 cm in length.

Taxonomy

The species was first described as ''Hemitelia australis'' by

Carl Borivoj Presl Carl Borivoj Presl (; 17 February 1794 – 2 October 1852) was a Czech botanist. Biography Presl lived his entire life in Prague, and was a professor of botany at the University of Prague (1833–52).Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Victoria, Australia ...

described it as ''Alsophila leichhardtiana'' from several specimens, one of which was collected by

Ludwig Leichhardt Friedrich Wilhelm Ludwig Leichhardt (; 23 October 1813 – ), known as Ludwig Leichhardt, was a German explorer and naturalist, most famous for his exploration of northern and central Australia.Ken Eastwood,'Cold case: Leichhardt's disappearanc ...

Moreton Bay Moreton Bay is a bay located on the eastern coast of Australia from central Brisbane, Queensland. It is one of Queensland's most important coastal resources. The waters of Moreton Bay are a popular destination for recreational anglers and are ...

, and another by

Louisa Atkinson Caroline Louisa Waring Calvert (; 25 February 1834 – 28 April 1872) was an early Australian writer, botanist and illustrator. While she was well known for her fiction during her lifetime, her long-term significance rests on her botanical work ...

in the Blue Mountains. It was named in honour of Leichhardt, an explorer and botanical collector. In 1912,

Edwin Copeland Edwin Bingham Copeland (September 30, 1873 – March 16, 1964) was an American botanist and agriculturist. He is known for founding the University of the Philippines College of Agriculture at Los Baños, Laguna and for being one of the America' ...

transferred the species to ''

Cyathea ''Cyathea'' is a genus of tree ferns, the type genus of the fern order Cyatheales. The genus name ''Cyathea'' is derived from the Greek ''kyatheion'', meaning "little cup", and refers to the cup-shaped sori on the underside of the fronds. ...

'' as ''Cyathea leichhardtiana''.

Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...

currently accepts ''Sphaeropteris australis'' as the species' name.

References

External links

''Cyathea leichhardtiana'': Occurrence data from The Australasian Virtual Herbarium

''Cyathea leichhardtiana'': Images from Flickr
{{Taxonbar, from1=Q17187242, from2=Q17185160, from3=Q5197615 australis Flora of New South Wales Flora of Queensland Flora of Victoria (state) Endemic flora of Australia Plants described in 1851 Taxa named by Carl Borivoj Presl