
''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 els ...
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 repea ...
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 Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
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 o ...
.
In 1995
Ken Hill and
Lawrie Johnson 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 ...
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 termi ...
,
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 ...
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'', ''
Eucalyptus foelscheana
''Corymbia foelscheana'', commonly known as broad-leaved bloodwood, fan-leaved bloodwood or smooth-barked bloodwood, is a species of small tree that is endemic to northern Australia. It has thin, rough, tessellated bark on some or all of the t ...
'', ''
Xanthostemon paradoxus
''Xanthostemon paradoxus'', commonly known as bridal tree or northern penda, is a shrub or tree species in the family Myrtaceae that is endemic to Australia.
The shrub or tree typically grows to a height of . It blooms between March and Septem ...
'', ''
Eucalyptus confertiflora
''Corymbia confertiflora'', commonly known as broad-leaved carbeen or rough leaf cabbage gum, is a species of tree that is endemic to northern Australia. It has rough, tessellated bark near the base of the trunk, smooth white to pale grey bark ...
'' and ''
Eucalyptus latifolia
''Corymbia latifolia'', commonly known as round-leaved bloodwood, round leaf bloodwood, wubam and other names in Indigenous Australian, indigenous languages, is a species of tree that is Endemism, endemic to northern Australia. It has thin, ro ...
'' in the overstorey and ''
Grevillea decurrens
''Grevillea decurrens'', also known as the clothes-peg tree, is a species of flowering plant in the family Proteaceae and is endemic to northern Australia. It is a shrub or tree with divided leaves, the lobes elliptic to egg-shaped with the nar ...
'', ''
Gardenia megasperma'' and ''
Calytrix exstipulata
''Calytrix exstipulata'', commonly known as Kimberley heather, is a species of plant in the myrtle family Myrtaceae that is endemic to Western Australia.
The shrub or tree typically grows to a height of . It usually blooms between March and Sep ...
'' 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 ...
''.
See also
*
List of ''Corymbia'' species
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