''Acacia tephrina'', commonly known as boree, is a tree of the genus ''

Acacia ''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...

'' and the subgenus ''Plurinerves'' that is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to an area of north eastern

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 ...

. It is rated as being of

least concern A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...

according to ''

Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...

''.

Description

The tree can grow to a maximum height of around and has flaky and fissured dark grey coloured bark with grey-green densely haired branchlets. It has an erect, open and narrow crown and usually branches pretty close to the ground on the trunk. It can be

coppiced Coppicing is a traditional method of woodland management which exploits the capacity of many species of trees to put out new shoots from their stump or roots if cut down. In a coppiced wood, which is called a copse, young tree stems are repeated ...

and is able to produce

sucker Sucker may refer to: General use * Lollipop or sucker, a type of confection * Sucker (slang), a slang term for a very gullible person * Hard candy ** Cough drop ** Mint (candy) Biology * Sucker (botany), a term for a shoot that arises undergro ...

s. Like most species of ''Acacia'' it has

phyllode Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the ...

s rather than true leaves. The evergreen hairy phyllodes have a linear shape and are straight to slightly recurved with a length of and a width of and have many fine, closely parallel nerves. When it blooms it produces

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

s that appear in groups of two to ten across a

raceme A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...

with a length of with spherical flower-heads that have a diameter of about and contain 20 to 35 golden coloured flowers. Following flowering hairy and leathery

seed pod This page provides a glossary of plant morphology. Botanists and other biologists who study plant morphology use a number of different terms to classify and identify plant organs and parts that can be observed using no more than a handheld magnify ...

s form that have a linear shape with straight edges and are quite flat and barely raised over each of the seeds. The pods have a length up to about and a width of with an obvious marginal nerve and contain longitudinally arranged seeds that are in length with a small

aril An aril (pronounced ), also called an arillus, is a specialized outgrowth from a seed that partly or completely covers the seed. An arillode or false aril is sometimes distinguished: whereas an aril grows from the attachment point of the see ...

Taxonomy

The species was first formally described by the botanist

Leslie Pedley Leslie Pedley (19 May 1930 – 27 November 2018)IPNILeslie Pedley/ref> was an Australian botanist who specialised in the genus ''Acacia''. He is notable for bringing into use the generic name ''Racosperma'', creating a split in the genus, which r ...

in 1981 as a part of the work ''Further notes on Acacia in Queensland'' as published in the journal ''

Austrobaileya ''Austrobaileya'' is the sole genus consisting of a single species that constitutes the entire flowering plant family Austrobaileyaceae. The species ''Austrobaileya scandens'' grows naturally only in the Wet Tropics rainforests of northeast ...

''. Pedley the reclassified the tree as ''Racosperma tephrinum'' in 1987 then it was transferred back to genus ''Acacia'' in 2001. It is closely related to '' Acacia maconochieana'' and is similar in appearance to '' Acacia cana'' which it is often confused with. The

type specimen In biology, a type is a particular wiktionary:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to a ...

was collected to the north oh

Hughenden Hughenden may refer to: *Hughenden, Queensland, a town in Australia *Hughenden, Alberta, a village in central Alberta, Canada *Hughenden Valley Hughenden Valley (formerly called Hughenden or Hitchendon) is an extensive village and civil parish in ...

by M.Lazarides in 1953.

Distribution

It is native to an area of far eastern

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...

and central and southern

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

with a disjunct distribution extending from around Cresswell on the

Barkly Tableland The Barkly Tableland is a rolling plain of grassland in Australia. It runs from the eastern part of the Northern Territory into western Queensland. It is one of the five regions in the Northern Territory and covers , 21% of the Northern Terr ...

of the Northern Territory in the west and into Queensland mostly to the western side of the

Great Dividing Range The Great Dividing Range, also known as the East Australian Cordillera or the Eastern Highlands, is a cordillera system in eastern Australia consisting of an expansive collection of mountain ranges, plateaus and rolling hills, that runs rough ...

with a range extending from Einasleigh in the north down to

Cunnamulla Cunnamulla () is a town and a locality in the Shire of Paroo, Queensland, Australia. It is south of Charleville, and approximately west of the state capital, Brisbane. In the , Cunnamulla had a population of 1,140 people. Geography Cunnamulla ...

in the south and out to around

Bowen Bowen may refer to: Places Australia * Bowen, Queensland, a town * Bowen Hills, Queensland, a suburb ** Bowen Hills railway station, a railway station in Bowen Hills ** Bowen Park, Brisbane, a park in Bowen Hills * Bowen Bridge, crossing the Derw ...

in the north east. It is found growing in heavy soils, including saline clay soils and as a part of open tall woodland or low woodland and shrubland communities.

Cultivation

It will grow well in an open sunny position in a well-drained medium to heavy soil, but is able to tolerate seasonal inundations and infertile soils containing moderate salt levels that are slightly acidic to quite

alkaline In chemistry, an alkali (; from ar, القلوي, al-qaly, lit=ashes of the saltwort) is a base (chemistry), basic, ionic compound, ionic salt (chemistry), salt of an alkali metal or an alkaline earth metal. An alkali can also be defined as ...

. Fertility is low. It is reasonably slow growing but is long-lived and some trees reach over 50 years in age. It can be planted in light shade and shelter. Prior to planting, seeds should be soaked or scarified.

Uses

The tree produces a hard and heavy dark red-brown coloured wood that is ideal to be used in rails, posts, and poles, it also makes great firewood that combusts when green or dry producing an intense heat. The bark contains

tannin Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids. The term ''tannin'' (from Anglo-Norman ''tanner'', ...

s and are

astringent An astringent (sometimes called adstringent) is a chemical that shrinks or constricts body tissues. The word derives from the Latin ''adstringere'', which means "to bind fast". Calamine lotion, witch hazel, and yerba mansa, a Californian plant ...

and used by

Indigenous Australians Indigenous Australians or Australian First Nations are people with familial heritage from, and membership in, the ethnic groups that lived in Australia before British colonisation. They consist of two distinct groups: the Aboriginal peoples ...

to treat diarrhoea and

dysentery Dysentery (UK pronunciation: , US: ), historically known as the bloody flux, is a type of gastroenteritis that results in bloody diarrhea. Other symptoms may include fever, abdominal pain, and a feeling of incomplete defecation. Complications ...

when taken or used as a wash to treat wounds or skin or eye problems.

References