Jennifer Hughes 2025519 ‘Barking up the Right Tree’ An investigation into the surviving trees from the pre- subdivision era of Torrens Park, in the City of Mitcham. This report has been produced as a part of the assessment for ARCH8508 Directed Study in Cultural Heritage Management graduate topic in the Department of Archaeology, Flinders University. 2007 Jennifer Hughes Flinders University
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Jennifer Hughes 2025519
‘Barking up the Right Tree’
An investigation into the surviving trees from the pre-
subdivision era of Torrens Park, in the City of
Mitcham.
This report has been produced as a part of the assessment for ARCH8508
Directed Study in Cultural Heritage Management graduate topic in the
Department of Archaeology, Flinders University.
2007
Jennifer Hughes Flinders University
Jennifer Hughes 2025519
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Executive Summary
This report is the final stage of a project to determine what ‘significant’ trees lie within
Torrens Park, a suburb of the City of Mitcham. The project was to identify them, plot
them on a map and to prepare a case study for the nomination of tree(s) to the National
Trust Significant Tree Register. This project has been undertaken for the Mitcham City
Council. The definition of what is a ‘significant’ tree is taken from the Development Act
1993, which means a tree’s circumference must be two metres or more at one metre from
the ground. This report offers a history of the suburb and of the vegetation of Adelaide.
Surveying all public areas, except for Randell Park, yielded one hundred and twenty nine
trees from thirty-five different species, the predominant tree being the River Red Gum.
Five gums from the Mitcham Shopping Center are presented for nomination to the
National Trust Register because they represent a small glimpse of Torrens Park before
colonization and they are potentially in danger from development and construction at the
shopping center. Finally this report reveals the need for further work and for the surveying
of private lands to find more significant trees.
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Table of Contents
Executive Summary Page 2
List of Figures Page 5
List of Photos Page 6
1. Introduction Page 7
1.1 Relevant Legislation and Registers Page 8
1.2 Acknowledgements Page 9
2. Methodology Page 10
3. Research and Results Page 12
3.1 History of Torrens Park: the Estate and the Suburb Page 12
3.2 History of Vegetation Page 16
3.2.1 In the Adelaide Hills and Plains Page 16
3.2.2 In The Torrens Park Estate Page 17
3.3 Significant Trees Found in Survey Page 18
Table #1 Page 18
3.4 Observations Page 20
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3.5 Case Study for Nomination to National Trust Page 21
4. Problems, Difficulties and Suggestions Page 23
5. Conclusions Page 24
Appendix Page 25
Appendix #1 Page 25
Appendix #2 Page 29
Table #2 Page 31
Table #3 Page 32
Table #4 Page 52
References Page 54
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List of Figures
Figure #1. Page 14
Brief Timeline of Torrens Park’s History.
Figure #2. Page 15
Map of all sections laid out in the 1830s that lie within the current boundaries of Torrens
Park.
Figure #3. Page 30A
Map of Torrens Park with all significant trees both public and private plotted.
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List of Photos
Photo #1 Front Page
Ironbark (Eucalyptus sideroxylon), Mitcham Shopping Centre.
Photo #2 Page 16
River Red Gum (Eucalyptus camaldulenis), Mitcham Shopping Centre.
Photo #3 Page 19
Grey Box (Eucalyptus microcarpa), Gowrie Street.
Photo #4 Page 19
Peppercorn Tree (Schinus molle), George Street.
Photo #5 Page 20
Salmon Gum (Eucalyptus salmonophloia), Adam Street.
Photo #6 Page 21
River Red Gum (Eucalyptus camaldulenis), Mitcham Shopping Centre.
Photo #7 Page 22
River Red Gum (Eucalyptus camaldulenis), Mitcham Shopping Centre.
Photo #8 Page 24
River Red Gum (Eucalyptus camaldulenis), Private Home on Newark Road.
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Introduction:
The aim of this report is to discuss the results from a study regarding the trees in Torrens
Park, a suburb of the City of Mitcham (see Figure #3, page 30A). The original aim of this
project entails determining what significant trees have survived from before the area was
subdivided. However, as it is a specialized field to determine the age of trees and since the
subdivision of Torrens Park has occurred and reoccurred at different times over a period
of over one hundred years, the scope of this project has been altered slightly. The trees
that have been included in this report are those that are defined as ‘significant’ as set down
by the Development Act 1993 (Section 1.1).
Trees can be as important as any building, even in the world of cultural heritage. There are
many trees that have stood in place larger and/or longer than any building. In archaeology
they can be used as a tool of dating and also as a means of recording climate conditions
from thousands of years ago (Renfrew and Bahn 2000:135). In Adelaide, and indeed in all
of Australia, trees are significant to both the Indigenous people and those of colonial
descent. Trees play a part in the aesthetic life of an area, its streets are lined with trees for
shade and to enhance its visual appearance, parklands are filled with flora to give people
to chance to enjoy nature without having to leave the city. Trees form a large part of the
economical survival for many people, through the production of fruits and timber for sale.
Trees also form a part of the social and historical environment of any suburb or city,
through commemorative plantings, the introduction and spread of alien species of both
flora and fauna. For all these reasons and more, trees need protecting, but the problem is
having a record of which trees exist, to go out and measure trees in every street (and
property) in a city as large as Mitcham is a daunting and time-consuming task.
This report is set out in sections; in the first two sections all relevant legislation and the
National Trust are discussed as well as the methodology used in this study. I have covered
the history of Torrens Park both the estate and the suburb, including a brief list of
important dates pertaining to the area (see figure #1). I have also presented a brief
background of the vegetation of Adelaide and Torrens Park and compiled extensive lists
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of the trees that have been available in the last two hundred years. Section 3.3 is a case
study of trees that I offer as worthy for nomination to the National Trust Register and all
the data collected from surveying are summarized and discussed, a CD is included in this
report containing all photos of significant trees in Torrens Park. For the benefit of others
who may take on this project for other suburbs, I have listed the difficulties that I have
encountered and added a few suggestions to avoid them. I conclude with
recommendations for future work on the trees of Torrens Park.
1.1 Relevant Legislation and registers:
As stated in the introduction, trees are important to many fields for many reasons and the
law recognizes this importance and has made legislation to protect numerous plant
species, including trees.
The most important legislation to the city of Mitcham is the Development Act 1993 (SA).
Its definitions and stipulations, which according to Tim Johnson, are the guidelines which
are used by the Mitcham Council. This act defines a significant tree as:
‘Any tree in Metropolitan Adelaide and townships in the Adelaide Hills Council
with a trunk circumference of 2.0m or more. In the cases of trees with multiple trunks,
those with trunks with a total circumference of 2.0 or more and an average circumference
of 625mm or more, measures at a point 1.0m above natural ground level, or,
Any tree identified as a significant tree in the City of Adelaide, City of Burnside,
City of Prospect or City of Unley Development Plans.’
(LSC 2006:9)
If a tree is deemed by the above criteria to be significant, any serious alteration or removal
has to be approved by the local council. There are, of course exceptions in emergencies,
but even so special care must be taken to minimize any damage to tree (LSC 2006:9).
In certain circumstances trees have been able to receive further or higher protection. This
protection occurs through the Heritage Act 1993 (SA). There is also a means of protection
that unfortunately has no legislative standing but can add pressure for arguments and
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actions taken by other agencies, this protection comes from the National Trust, who keep a
significant trees register. The National Trust considers a tree significant if:
‘They are outstanding and therefore deserving of special protection because of
their rarity, appearance, natural or cultural importance. This may be on the basis of
outstanding age, size, aesthetic merit, connection to an important historic event, scientific
value, Aboriginal importance or occurrence in a unique location or context.’
(NTSA n.d.).
1.2 Acknowledgements:
The completion of this project would not have been possible without the help of Maggy
Ragless and Tim Johnson of the Mitcham Council, Jeff Lugg and the boys from the
Horticultural Department at the Adelaide Zoo and my field assistants Natalie and Adam
Hughes.
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2. Methodology:
This project required extensive research and fieldwork. The different areas of which I have
listed in dot point below.
• Consulting with Maggy Ragless (Mitcham Heritage Officer) and Tim Johnson
(Mitcham Horticultural Officer) was invaluable as they were able to answer
specific questions and give suggestions on further research.
• I researched the suburb of Torrens Park and its vegetation using various sources,
including survey reports, pamphlets, Mitcham Archives, internet sources,
publications about the Torrens Park estate, the city of Mitcham, the colonization of
South Australia and the transformation of the landscape. From these sources I
compiled extensive lists of the trees that could be expected to be exist within
Torrens Park. Several of these lists are quoted from historical sources and many
names from these lists have changed in the past hundred years, so using various
plant sites on the Internet, I have attempted to update the names. I’ve also created
a detailed context for this study, giving a timeline of the area and explaining the
changes that have occurred.
• At first my intention was to determine significant trees from both private and
public land in Torrens Park, but time restraints and discussion with some members
of the public lead me to restrict myself to public lands only.
• Trees were located by traversing each street and exploring all other public areas. I
accessed each tree through streets, lanes, pathways, and even through Brownhill
Creek.
• In the field, my assistants and I took measurements, photographs, recorded the
location and description of all the significant trees into a data file (see Tables #2
and 3) and plotted each one onto a scaled map (see figure #3). Each tree was given
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a number so that it could be matched to it’s photo(s) and information. 141 trees
were recorded, but several numbers were later excluded for varying reasons
including the realization that one of the trees measured was in fact dead.
• I measured each tree 1m from the ground up the trunk and from that point, I
measured the complete circumference of the trunk or trunks. When measuring
trees with multiple trunks, the circumference of each trunk was added together and
was classified as significant if the total circumference was 2m or greater.
• The case study was prepared by using the nomination form available from the
National Trust web site (section 3.5). In determining which tree(s) would be best
for the nomination, I referred to the observations I had noted throughout the
project.
• I identified the tree species (both common and scientific names) that I
photographed through botanical guides and the patient help of the Jeff Lugg and
the horticultural department at the Adelaide Zoo. For easier identification of any
tree a surveyor needs to take clear photos of the foliage and seeds and not just the
trunk and branches.
• I used an assistant for all my fieldwork because it was essential to have help when
measuring trees and taking photographs. It was at times necessary to stand near or
in the street to get a decent shot of a tree. It was also important to wear sensible
clothing because despite the fact that this study was conducted in a suburban area,
navigating our way to and around some trees proved extremely difficult.
• Also I decided to exclude Randell Park even though it is public land, this was
because of the difficulty in determining the current suburb boundaries and I
believe the vegetation of Randell Park would be better served if the whole park
was treated as a single survey area.
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3. Research and Results
3.1 History of Torrens Park, the Estate and the suburb:
One of Adelaide’s founding fathers was one Colonel Robert Torrens, the river that runs
through Adelaide was named after him. He was one of earliest buyers when Adelaide was
divided up in the 1830s, although his substantial property came to him through some
questionable dealings. These plots were amongst the sections laid out by Colonel William
Light and George Kingston in 1836. However before Light and his team had surveyed
what was to be called the ‘Garden City’, the Adelaide plains and hills had been a home to
the Indigenous people, named ‘Kaurna’, who were nearly wiped out through disease and
other causes (Preiss and Oborn 1991:4, ref.).
When the plains and hills were divided up, it was into sections of either eighty or one
hundred and thirty-four acres. Many of these sections were sold to the South Australian
Company, which was started by a man named George Fife Angas along with some
colleagues. Among other things, this company established villages and sheep stations. One
such village was created in 1840 when they subdivided section 248; this village would
become Mitcham (Preiss and Oborn 1991:4-7).
In 1852, one of the sections owned by Colonel Torrens, section 246, came to his son
Robert Richards Torrens, who immediately began construction on a grand house and
gardens, earning the home the name ‘Torrens Park Estate’ (Preiss and Oborn 1991:19). In
the years that R.R. Torrens owned the Estate, he added small parcels of land from other
sections (248 and 245)1 (see Figure #2).
In 1866, the estate was sold to Walter Watson Hughes, who added more land to the estate
from section 247 and extended the house. He also created a new road, which would
become Princes Road (Preiss and Oborn 1991:203-4).
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Hughes later sold the estate to Robert Barr-Smith in 1874, who added more land from
section 245. In 1879, the railway was built through the western part of the estate. During
WWI the house was used as a hospital for wounded soldiers. When Barr-Smith died in
1915, the estate passed in trust to his wife and plans were started for subdivision and sale
(Preiss and Oborn 1991:487). The estate was sold in sections through auctions from 1917
to 1920 (see Figure #2)
.
Trustees of Scotch College bought the house and immediate gardens in 1920. The rest of
the estate changed hands several times over the next few decades. It was subdivided into
different sizes over the years, before it became lots sizable for single houses, the last of
which was sold in the 1950s (Preiss and Oborn 1991:505-6, 518, 526, Norman 1953:147-
8).
The remaining area of what is now the suburb of Torrens Park lies outside the estate, and
mainly consisted of what was known as ‘West Mitcham’, which was made up of sections
247, 1141 and part of 100 (also known as Panchito Park) (Preiss and Oborn 1991:539-42).
The S.A. company was granted sections 247 (247E sold back to the crown for unknown
reasons) and 100. The majority of this land through various sales ended up in the hands of
Misters Richard Custance and Thomas Hinkley, who also bought section 1141. All this
was subdivided and sold at auction in 1854 (Preiss and Oborn 1991:543).
For the first few decades after the auction West Mitcham was used for small-scale
farming. Subdivision into single house lots happened mainly in the early part the 20th
century, like the Estate; the last lot was sold in the 1950s. Part of section 262, which ends
at the railway line, was mostly occupied by an estate called Mitcham Lawn, which was
subdivided and sold in 1947 (Preiss and Oborn 1991:544-5, 559-60) leaving Torrens Park
in roughly the same shape it is today.
1 Torrens, along with the other owners of the Estate bought land from other sections than those mentioned here, but these lie outside of the current suburb boundaries and are irrelevant to this report. However Preiss and Oborn’s publication holds a detailed history off all land associated with the Torrens Park Estate.
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Figure #1. Timeline of important dates for Torrens Park
Pre 1836 – Adelaide Plains home to the Kaurna People only.
1836 – South Australia was colonized
1839 – Sections 248, 247 and 100 was granted to the S.A. Company.
Section 247E sold back to crown. Sections 247 and 100 sold to Richard Custance
and Thomas Hinkley. Custance and Hinkley also bought section 1141.
1840 – S.A. Company subdivided section 248, it became the Village of Mitcham
1852 – Section 246 came to R.R. Torrens, from his father Colonel Torrens.
1853 – District council of Mitcham was formed.
Mitcham Lawn Estate, part of section 262, bought by James T. Manton.
1854 – The building of Torrens’s House was finished.
West Mitcham (sections 247, 100 and 1141) subdivided and sold.
1866 – Torrens Park Estate was sold to Walter Watson Hughes.
1874 – Estate sold to Robert Barr Smith.
1879 – Railway built through estate.
1915 – Robert Barr Smith died, plans for subdivision of estate were started.
1917 – First auction of Torrens Park Estate held in June, second held in October.
1918 – Third auction held in November
1919 – Fourth auction held in June.
1920 – Sale of house and surrounding gardens to trustees of Scotch College.
1947 – Mitcham Lawn Estate subdivided.
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Figure #2. Map of Sections with numbers set out by Colonel Light and his Team. All but
section 248 form what is now known as Torrens Park (Mitcham Archives, Preiss and
Oborn 1991:202, 539).
245
246
248
247
247E
100
1141
262 Key Road
Railway Line
North
Torrens Park Estate
Village of Mitcham
West Mitcham
Blythewood Road
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3.2 History of Vegetation:
3.2.1 In the Adelaide Hills and Plains:
Where Adelaide now stands was once rich woodland, with hundreds of species of flora
and fauna. This environment was supported by the Torrens River as well as the area’s
many creeks, including Brownhill Creek (traditionally called ‘Wirraparing’) (Preiss and
Oborn 1991:4). Sources from the early days of European settlement all mention
numerous tall River Red Gums, Wattle trees and Peppermint Gums (Grey Box) (cited in
Preiss and Oborn 1991:5-6).
The Adelaide plains were described as having a ‘parkland’ appearance, but not without
some bare patches caused by the burning practices of the Kaurna people, but their efforts
were miniscule compared to what Europeans were able to accomplish (Kraehenbuehl
1996:1, Bagust and Tout-Smith 2005:iv). While the settlers were actually responsible for
the major loss of local vegetation, they were quite content to blame it all on the
Indigenous people. Torrens Park stands on what was once woodland and the ‘Black
Photo #2 – Tree 011 River Red Gum, (Eucalyptus camaldulenis), Mitcham Shopping Centre.
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Forest’, given its name by settlers for its dark-barked trees, Grey Box’s (Bagust and Tout-
Smith 2005:iv).
From the 1870s to 1900 the Adelaide landscape was subject to a major transformation as
people attempted to reshape their environment in the image of Europe. These actions
were fueled by the efforts of people like Premier James Cockburn, Dr Richard
Schomburgk, George McEwin and Sir Edwin Smith (Jones 2005:74). Fields of native
vegetation were cleared for settlement and agriculture, in addition to this dozens of
introduced species which overtook hectares of native flora (see appendix #1). Animals
such as pigs, sheep and cows were brought to these shores and quickly increased, as they
were a source of income for many and food for everyone. Because of all this, Bagust and
Tout-Smith (2005:viii) claim that over 90% of Adelaide’s original flora has been
destroyed.
3.2.2 In Torrens Park Estate:
Robert Richard Torrens not only built a beautiful house, but also dedicated substantial
effort into his grounds. His gardens were extremely well cared for; he had an orchard, a
large banana plantation and an orangery, which containing over 600 trees was his ‘pride
and joy’ (Preiss and Oborn 1991:19,27). He even built an ornamental lake (lost in a flood
in 1897) to enhance his grounds and built an irrigation system to keep them well watered
during droughts. Contemporary sources (cited ion Preiss and Oborn 1991:201) speak of
Torrens’s ‘superb collection of exotic plants’ (see appendix #2), much of which replaced
the native flora, but fortunately not completely.
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3.3 Significant Trees found in Survey
This survey found that 129 significant trees lie on public land within Torrens Park, these
are made up of thirty-five different tree species (see Table #4). The River Red Gum was
the most common tree, totaling 32 out of 129. None other tree types reached even half of
this frequency (See Table #1).
Table # 1 Selected tree frequency
Tree Name Frequency
Peppercorn Tree 13
Aleppo Pine 9
Desert Ash 8
European Hackberry 7
Lemon Scented Gum 7
Sugar Gum 6
Sweet Gum 6
S.A. Blue Gum 5
All the other tree species were represented by only one to three examples, but 70 out of
the 129 were some type of gum tree. It is interesting that of the three trees that were
reputed to cover the Adelaide plains, River Red Gum, Wattle trees and Grey Box, only
the River Red Gum shows up with any consistency. There are only three Grey Box trees
found by this survey and no Wattle trees at all. This is testimony to the destruction that
has been wrought upon the plains and hills since colonization.
The locations of the trees in Torrens Park are of as much interest as the trees themselves,
as their density reflects what the land has been used for. The trees north of Blythewood
road are located in a much higher consistency than those south of Blythewood, with the
scarce exceptions of Adams street, the south-east end of Thorpe street, and one section of
Gowrie street (see Figure #3). This would be due the settlers using the land south of
Blythewood for small farms, while north of Blythewood the land was mostly within the
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boundaries of the Torrens Park Estate, whose owners sought to preserve and enhance
their gardens and grounds. Many trees lie in processions along both sides of streets, and
within each street nearly all trees are the same species, and not too dissimilar in size. The
exceptions are most likely from before the street sides were planted.