''Chorizema retrorsum'' 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

southwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...

of Western Australia. It is a trailing or erect to climbing shrub that typically grows to a height of high. It has orange-red, yellow and pink flowers from August to December. It was first formally described in 1992 by

Joan Taylor Joan Taylor (August 18, 1929 – March 4, 2012) was an American television and film actress. Personal life Taylor was born Rose Marie Emma in Geneva, Illinois. Her father, Joseph Emma, from Sicily, was a Theatrical property, prop man in Hollywo ...

and

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 ...

in the journal ''

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 between Walpole and

Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...

. ''Chorizema retrorsum'' grows in a range of soils from near Bunbury to Albany in the

Jarrah Forest Jarrah Forest, also known as the Southwest Australia woodlands, is an interim Australian bioregion and ecoregion located in the south west of Western Australia.

and

Warren Warren most commonly refers to: * Warren (burrow), a network dug by rabbits * Warren (name), a given name and a surname, including lists of persons so named Warren may also refer to: Places Australia * Warren (biogeographic region) * War ...

bioregions of southern Western Australia. 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 ...

(''retrorsum'') means "turned back", referring to the teeth on the leaf edges".

References

retrorsum Fabales of Australia Flora of Western Australia Plants described in 1844 Taxa named by Michael Crisp {{Australia-rosid-stub