''Corymbia setosa'', commonly known as the rough leaved bloodwood or desert bloodwood, is a species of small tree 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 north-eastern Australia. It has rough, tessellated brown bark on the trunk and branches, a

crown A crown is a traditional form of head adornment, or hat, worn by monarchs as a symbol of their power and dignity. A crown is often, by extension, a symbol of the monarch's government or items endorsed by it. The word itself is used, partic ...

of juvenile, heart-shaped leaves arranged in opposite pairs, flower buds in groups of three or seven, white flowers and urn-shaped to shortened spherical fruit.

Description

''Corymbia setosa'' is a tree that typically grows to a height of , rarely as a thick-trunked mallee, 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, deeply tessellated brownish bark on the trunk and branches and a sparse canopy. Young plants and

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 have

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

, heart-shaped leaves that are long and wide arranged in opposite pairs and with a rough surface. The crown of the tree has sessile, juvenile mostly heart-shaped, stem-clasping leaves that are the same shade of dull light green to greyish green on both sides, long and wide and arranged in opposite pairs. The flower buds are arranged on the ends of branchlets on a branched peduncle long, each branch of the peduncle with three or seven 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 pear-shaped, long and wide with a beaked operculum. Flowering has been observed in June, September and November and the flowers are white. The fruit is a woody urn-shaped or shortened spherical capsule long and wide with the valves enclosed in the fruit.

Taxonomy and naming

This eucalypt was first formally described in 1843 by

Johannes Conrad Schauer Johannes Conrad Schauer (16 February 1813 – 24 October 1848) was a botanist interested in Spermatophytes. He was born in Frankfurt am Main and attended the gymnasium of Mainz from 1825 to 1837. For the next three years he worked at the Hofgar ...

in Walpers' book ''Repertorium Botanices Systematicae'' and given the name ''Eucalyptus setosa'' from specimens collected by

Ferdinand Bauer Ferdinand Lucas Bauer (20 January 1760 – 17 March 1826) was an Austrian botanical illustrator who travelled on Matthew Flinders' expedition to Australia. Biography Early life and career Bauer was born in Feldsberg in 1760, the youngest son of ...

. In 1995 Ken Hill and

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 ...

changed the name to ''Corymbia setosa''. 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 ...

(''setosa'') is from the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

word ''setosus'' meaning "bristly". In the same journal, Hill and Johnson described two subspecies, ''pedicellaris'' and subspecies ''setosa'' but the names are not accepted by the

Australian Plant Census The Australian Plant Census (APC) provides an online interface to currently accepted, published, scientific names of the vascular flora of Australia, as one of the output interfaces of the national government Integrated Biodiversity Information Syst ...

Distribution and habitat

''Corymbia setosa'' grows on rocky hills and red sandy plains, but not extending to wet tropical areas. It is found from

Tennant Creek, Northern Territory Tennant Creek ( wrm, Jurnkkurakurr) is town located in the Northern Territory of Australia. It is the seventh largest town in the Northern Territory, and is located on the Stuart Highway, just south of the intersection with the western termin ...

, Daly Waters and 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 ...

in the Northern Territory and east into the

Gulf of Carpentaria The Gulf of Carpentaria (, ) is a large, shallow sea enclosed on three sides by northern Australia and bounded on the north by the eastern Arafura Sea (the body of water that lies between Australia and New Guinea). The northern boundary is ...

hinterland and islands, to the Musgrave area of

Cape York Peninsula Cape York Peninsula is a large peninsula located in Far North Queensland, Australia. It is the largest unspoiled wilderness in northern Australia.Mittermeier, R.E. et al. (2002). Wilderness: Earth’s last wild places. Mexico City: Agrupación ...

and as far south as Barcaldine in Queensland. In a woodland setting, associated species include ''

Erythrophleum chlorostachys ''Erythrophleum chlorostachys'', commonly known as Cooktown ironwood, is a species of leguminous tree endemic to northern Australia. Description The Cooktown ironwood is semi-deciduous, dropping much of its foliage in response to the prolonged ...

'', '' Eucalyptus foelscheana'', ''

Xanthostemon paradoxus ''Xanthostemon paradoxus'', commonly known as bridal tree or northern penda, is a shrub or tree species in the family Myrtaceae that is endemism, endemic to Australia. The shrub or tree typically grows to a height of . It blooms between March a ...

'', '' Eucalyptus confertiflora'' and '' Eucalyptus latifolia'' in the overstorey and '' Grevillea decurrens'', ''

Gardenia megasperma ''Gardenia megasperma'' is a species of plant in the family Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that a ...

'' and '' Calytrix exstipulata'' in the sparsely vegetated understorey.

Conservation status

This species of eucalypt is classified as of "least concern" under the Queensland Government ''

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 ...

''.

References

{{Taxonbar, from=Q15396003 setosa Myrtales of Australia Flora of Queensland Flora of the Northern Territory Plants described in 1843 Taxa named by Johannes Conrad Schauer

Description

Taxonomy and naming

Distribution and habitat

Conservation status

See also

References