''Corymbia pachycarpa'', commonly known as urn-fruited bloodwood, mawurru, yilanggi or warlamarn, is a species of stunted tree or mallee that is

endemic Endemism is the state of a species being found only 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 foun ...

to northern Australia. It has thick, tessellated 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, parti ...

of heart-shaped, egg-shaped or lance-shaped leaves, flower buds in groups of three or seven, white flowers and urn-shaped to barrel-shaped fruit.

Description

''Corymbia pachycarpa'' is a stunted tree or mallee 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 respons ...

. It has rough, brownish tessellated and fissured bark on the trunk and branches. The crown of the tree has

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, egg-shaped or lance-shaped leaves that are the same shade of light green on both sides, long and wide and arranged in opposite pairs. The flower buds are mostly 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 In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branch ...

long. Mature buds are pear-shaped, long and wide with a prominently beaked operculum. Flowering has been observed in December and the flowers are white. The fruit is a woody urn-shaped to barrel-shaped capsule long and wide with an obvious, but not flared neck, and the valves enclosed in the fruit.

Taxonomy and naming

''Corymbia pachycarpa'' was first formally in 1995 by Ken Hill and

Lawrie Johnson Lawrence Alexander Sidney Johnson (26 June 1925 – 1 August 1997) known as Lawrie Johnson, was an Australian taxonomic botanist. He worked at the Royal Botanic Gardens, Sydney, for the whole of his professional career, as a botanist (1948–1 ...

. The Jaru peoples know the tree as '' mawurru'', ''yilanggi'' or ''warlamarn''. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

(''pachycarpa'') is from the Greek ''pachys'' meaning "thick" and ''karpos'', latinised as ''carpus'', "a fruit", referring to the large, thick-walled fruit.

Distribution and habitat

This eucalypt grows in arid part of northern Western Australia and adjacent parts of the Northern Territory. Its range extends from the

Great Sandy Desert The Great Sandy Desert is an interim Australian bioregion,IBRA Version 6.1
data

to near

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

and east through the fringes of the

Tanami Desert The Tanami Desert () is a desert in northern Australia, situated in the Northern Territory and Western Australia. It has a rocky terrain and small hills. The Tanami was the Northern Territory's final frontier and was not fully explored by Austral ...

Wave Hill Station Wave Hill Station, most commonly referred to as Wave Hill, is a pastoral lease in the Northern Territory operating as a cattle station. The property is best known as the scene of the Wave Hill walk-off, a strike by Indigenous Australian w ...

in the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

References

{{Taxonbar, from=Q15395697 pachycarpa Myrtales of Australia Flora of Western Australia Flora of the Northern Territory Plants described in 1995

Description

Taxonomy and naming

Distribution and habitat

See also

References