''Daviesia eurylobos'' is a species of flowering plant in the family

Fabaceae Fabaceae () or Leguminosae,International Code of Nomen ...

and 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 the south-west of Western Australia. It is a spreading shrub with somewhat crowded, egg-shaped to elliptic

phyllode Phyllodes are modified petiole (botany), 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 co ...

s, and yellow and red flowers.

Description

''Daviesia eurylobos'' is a shrub that typically grows to a height of up to and has spreading branches. Its leaves are reduced to somewhat crowded, egg-shaped to elliptic phyllodes long and wide. The flowers are mostly arranged singly or in pairs in leaf axils on a

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 ...

long with egg-shaped

bract In botany, a bract is a modified or specialized leaf, associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves in size, color, shape or texture. They also lo ...

s about long at the base. The

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 Etymology The term ''sepalum'' ...

s are long and joined at the base, the two upper lobes joined for most of their length and the lower three triangular and about long. The

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...

petal is broadly elliptic, long, wide and yellow with red markings, the

wings A wing is a type of fin that produces both lift and drag while moving through air. Wings are defined by two shape characteristics, an airfoil section and a planform. Wing efficiency is expressed as lift-to-drag ratio, which compares the bene ...

elliptic and long and the

keel The keel is the bottom-most longitudinal structural element of a watercraft, important for stability. On some sailboats, it may have a fluid dynamics, hydrodynamic and counterbalancing purpose as well. The keel laying, laying of the keel is often ...

long. Flowering occurs in July and August and the fruit is a broadly triangular pod long.

Taxonomy and naming

This species was first formally described in 1997 by

Michael Crisp Michael Douglas Crisp (born 1950) is an emeritus professor in the Research School of Biology at the Australian National University located in Canberra. In 1976, he gained a PhD from the University of Adelaide, studying long-term vegetation chan ...

and Gregory T. Chandler, who gave it the name ''Daviesia euryloba'' in ''

Australian Systematic Botany ''Australian Systematic Botany'' is an international peer-reviewed scientific journal published by CSIRO Publishing. It is devoted to publishing original research, and sometimes review articles, on topics related to systematic botany, such as b ...

'' from specimens collected north-east of Ravensthorpe in 1979. Alex George noted in the '' Australian Systematic Botany Newsletter'', that 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 ...

should be ''lobos'' meaning 'lobed' (rather than ''lobos'' meaning 'a pod'). In 2020, the epithet was corrected to ''eurylobos'' in the journal ''

Nuytsia ''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...

Distribution and habitat

''Daviesia eurylobos'' grows in heathland and mallee and is found between Ravensthorpe,

Lake King Lake King is a town in the eastern Wheatbelt region of Western Australia, from Perth along State Route 40 between Ravensthorpe and Newdegate. As of 2016, the town had a population of 95. The 2011 census recorded both the population of the t ...

Peak Charles National Park Peak Charles National Park is a national park in Western Australia, east of Perth and north west of Esperance, Western Australia, Esperance. The park is named for one of the main features, Peak Charles, which is an ancient granite peak with an ...

and

Jerdacuttup Jerdacuttup is a small town in Western Australia east-south-east of Perth between Ravensthorpe and Hopetoun in the Goldfields–Esperance region of Western Australia. At the 2006 census, Jerdacuttup had a population of six. John Forrest ...

in the

Esperance plains Esperance Plains, also known as Eyre Botanical District, is a biogeography, biogeographic region in southern Western Australia on the South_coast_of_Western_Australia , south coast between the Avon Wheatbelt and Hampton bioregions, and bordere ...

and Mallee biogeographic regions of south-western Western Australia.

Conservation status

''Daviesia eurylobos'' is listed as "not threatened" by the

Department of Biodiversity, Conservation and Attractions The Department of Biodiversity, Conservation and Attractions (DBCA) is the Government of Western Australia, Western Australian government department responsible for managing lands and waters described in the ''Conservation and Land Management A ...

References

{{Taxonbar, from=Q110413956 eurylobos Eudicots of Western Australia Plants described in 1997 Taxa named by Michael Crisp