''Acacia eriopoda'', commonly known as the Broome pindan wattle and the narrow-leaf pindan wattle, is a species of wattle in the legume family that is native to northern

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. It is also known as Yirrakulu to the Nyangumarta people.

Description

It grows as an erect

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

or small tree, in height. It produces yellow flowers from April to September. It has either a single trunk or divides into four or less erect, straight main stems close to the base. The open to almost dense canopy has a delicate appearance. It has mid-grey to light grey coloured bark that is finely longitudinally fissured alongh the trunks and main branches becoming smooth of smaller branches. The green to grey-green

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 sometimes have a yellowish tinge. The phyllodes are long and linear with a length of and a width of . They are also straight to very shallowly incurved with numerous parallel longitudinal fine nerves. The simple

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 form as flower-spikes with a length of around densley packed with light golden flowers. The penduouls

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 that form after flowering are produced in large numbers and have a shape resembling a string of beads with a length of and a width of . The pods are thinly coriaceous-crustaceous and straight to shallowly curved with a light brown colour when mature with a variably white-scurfy surface. The shiny black seeds have pale dull coloured middle have an ellipsoidal to obloid-ellipsoidal and a length of and a white

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 botanists

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 ...

and

William Blakely William Faris Blakely (November 1875 – 1 September 1941) was an Australian botanist and collector. From 1913 to 1940 he worked in the National Herbarium of New South Wales, working with Joseph Maiden on ''Eucalyptus'', Maiden named a ''red g ...

in 1927 as part of the work ''Descriptions of fifty new species and six varieties of western and northern Australian Acacias, and notes on four other species'' as published in the ''Journal of the Royal Society of Western Australia''. It was reclassified as ''Racosperma eriopodum'' by

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 2003 then transferred back to genus ''Acacia'' in 2006. 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 ...

is derived from the

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

''erio-'' meaning ''wool'' and ''-poda'' meaning ''foot'' in reference to the short hairy

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

Distribution and habitat

It occurs on red

sand Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of s ...

y soils in the Carnarvon,

Central Kimberley The Central Kimberley, an interim Australian bioregion, is located in the central Kimberley region of Western Australia, comprising an area of .

Dampierland Dampierland is an interim Australian bioregion in Western Australia.IBRA Version 6.1

Gascoyne The Gascoyne region is one of the nine administrative regions of Western Australia. It is located in the northwest of Western Australia, and consists of the local government areas of Carnarvon, Exmouth, Shark Bay and Upper Gascoyne. The Gasc ...

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

Little Sandy Desert The Little Sandy Desert (LSD) is a desert region in the state of Western Australia, lying to the east of the Pilbara and north of the Gascoyne regions. It is part of the Western Desert cultural region, and was declared an interim Australian ...

Ord Victoria Plain The Ord Victoria Plain, an interim Australian bioregion, is located in the Northern Territory and Western Australia, comprising .

Pilbara The Pilbara () is a large, dry, thinly populated region in the north of Western Australia. It is known for its Aboriginal peoples; its ancient landscapes; the red earth; and its vast mineral deposits, in particular iron ore. It is also a glo ...

and Tanami

IBRA The Interim Biogeographic Regionalisation for Australia (IBRA) is a biogeographic regionalisation of Australia developed by the Australian government's Department of Sustainability, Environment, Water, Population, and Communities. It was devel ...

bioregion A bioregion is an ecologically and geographically defined area that is smaller than a biogeographic realm, but larger than an ecoregion or an ecosystem, in the World Wide Fund for Nature classification scheme. There is also an attempt to use the ...

s. It is associated with

pindan Pindan is a name given to the red-soil country of the south-western Kimberley region of Western Australia. The term comes from a local language and applies both to the soil and to the vegetation community associated with it.Lowe (2003). History ...

habitats. It is mostly found in the

Kimberley Kimberly or Kimberley may refer to: Places and historical events Australia * Kimberley (Western Australia) ** Roman Catholic Diocese of Kimberley * Kimberley Warm Springs, Tasmania * Kimberley, Tasmania a small town * County of Kimberley, a ...

region with some of the population found in the

where it is found in along watercourses and on low rocky ranges where it grows on deep red sand and alluvial pindan plain in sandy soils.

References

{{Taxonbar, from=Q9564507 eriopoda Acacias of Western Australia Fabales of Australia Plants described in 1928 Taxa named by Joseph Maiden Taxa named by William Blakely Endemic flora of Western Australia

Description

Taxonomy

Distribution and habitat

See also

References