''Eucalyptus caleyi'', commonly known as Caley's ironbark or Ovenden's ironbark is a species of small to medium-sized tree,

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 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 has brown or black "ironbark" on the trunk and main branches, dull bluish grey lance-shaped to egg-shaped adult leaves, flower buds in groups of seven, white flowers and barrel-shaped or conical fruit. It grows on the

Central Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known as ...

and

Northern Tablelands The Northern Tablelands, also known as the New England Tableland, is a plateau and a region of the Great Dividing Range in northern New South Wales, Australia. It includes the New England Range, the narrow highlands area of the New England regio ...

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

and in south-eastern

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_ ...

Description

''Eucalyptus caleyi'' is a tree that typically grows to a height of and forms a

lignotuber A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a response t ...

. It has rough, grey, brown or black "ironbark" on its trunk and branches. The leaves on young plants and on

coppice 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 ...

regrowth are egg-shaped, triangular or more or less round, bluish grey, long, wide and have a petiole. Adult leaves are the same dull bluish grey on both sides, sometimes with a powdery bloom, egg-shaped to lance-shaped, long, wide on a petiole long. The flower buds are arranged in groups of seven on a peduncle long, the individual buds on

pedicels In botany, a pedicel is a stem that attaches a single flower to the inflorescence. Such inflorescences are described as ''pedicellate''. Description Pedicel refers to a structure connecting a single flower to its inflorescence. In the absenc ...

long. Mature buds are oval to diamond-shaped, long, wide with a conical operculum that is long, wide, but usually narrower than the

floral cup In angiosperms, a hypanthium or floral cup is a structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. It is sometimes called a floral tube, a term that is also used for corolla tube and calyx tube. It ...

. Flowering mainly occurs between September and November and the flowers are white. The fruit is a woody barrel-shaped or conical capsule long and wide on a pedicel long with the valves below the rim.

Taxonomy

''Eucalyptus caleyi'' was first formally described by

Joseph Maiden Joseph Henry Maiden (25 April 1859 – 16 November 1925) was a botanist who made a major contribution to knowledge of the Australian flora, especially the genus ''Eucalyptus''. This botanist is denoted by the author abbreviation when citing ...

in 1906 and the description was published in Volume 2 of his book ''The Forest Flora of New South Wales''. In 1991,

Lawrie Johnson Lawrence Alexander Sidney Johnson Fellow of the Australian Academy of Science, FAA, (26 June 1925 – 1 August 1997) known as Lawrie Johnson, was an Australian Taxonomy (biology), taxonomic botany, botanist. He worked at the Royal Botanic Garden ...

and Ken Hill described two subspecies: * ''Eucalyptus caleyi'' subsp. ''caleyi'' that has rounded fruit; * ''Eucalyptus caleyi'' subsp. ''ovendenii'' that has quadrangular fruit. Subspecies ''caleyi'' has a number of

synonyms A synonym is a word, morpheme, or phrase that means exactly 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 all ...

. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''caleyi'') honours

George Caley George Caley (10 June 1770 – 23 May 1829) was an English botanist and explorer, active in Australia for the majority of his career. Early life Caley was born in Craven, Yorkshire, England, the son of a horse-dealer. He was educated at the ...

and the epithet ''ovendenii'' honours Peter John Ovenden (1929–1997), a forester who first recognised the subspecies later named after him as distinct.

Distribution and habitat

Caley's ironbark grows on low hills, ridges and broad undulating valleys in dry forest and woodland. It grows from near

Denman Denman may refer to: __NOTOC__ Places * Denman Glacier, near Antarctica * Denman Shire, New South Wales, Australia ** Denman, New South Wales, a town in the Hunter Valley of Australia * Denman Island, one of the Gulf Islands of British Columbia, Can ...

and the

Goulburn River The Goulburn River, a major inland perennial river of the Goulburn Broken catchment, part of the Murray-Darling basin, is located in the alpine, Northern Country/North Central, and Southern Riverina regions of the Australian state of Victoria. ...

through the Northern Tablelands of New South Wales to the Millmerran area in south-eastern Queensland. Ovenden's ironbark, (subspecies ''ovendenii'') is restricted to more elevated sites to the west of

Tenterfield Tenterfield is a regional town in New South Wales, Australia. At the , Tenterfield had a population of 4,066. Tenterfield's proximity to many regional centres and its position on the route between Sydney and Brisbane led to its development as a ...

References

{{Taxonbar, from=Q4529676 caleyi Flora of New South Wales Flora of Queensland Trees of Australia Myrtales of Australia Plants described in 1906 Taxa named by Joseph Maiden

Description

Taxonomy

Distribution and habitat

See also

References