''Daviesia devito'' is a species of flowering plant in the family Fabaceae,

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 south-eastern continental Australia. It is a dense, prickly shrub with sharply-pointed

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 and yellow, red, greenish and maroon flowers. It was previously known as ''Daviesia benthamii subsp. humilis'' until that subspecies was split into two new species.

Description

''Daviesia devito'' is a dense shrub that typically grows to a height of and has glabrous foliage. Its leaves are reduced to sharply-pointed, cylindrical phyllodes long and wide at the base. The flowers are arranged in one or two groups of two to five in leaf axils on a

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 ...

up to long, the

rachis In biology, a rachis (from the grc, ῥάχις [], "backbone, spine") is a main axis or "shaft". In zoology and microbiology In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this c ...

long, each flower 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 ...

up to about long with a down-curved bract 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 The term ''sepalum'' was coined ...

s are about long and joined at the base. 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 ...

is yellow to red with a yellowish green centre, long and about wide, the

wings A wing is a type of fin that produces lift while moving through air or some other fluid. Accordingly, wings have streamlined cross-sections that are subject to aerodynamic forces and act as airfoils. A wing's aerodynamic efficiency is exp ...

orange-brown, long and the

keel The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in B ...

deep maroon and about long. Flowering occurs in September and October and the fruit is a broadly egg-shaped to triangular pod long.

Taxonomy and naming

''Daviesia devito'' is in a genus commonly known as bitter-peas. In 1982,

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 cha ...

described ''Daviesia benthamii'' subsp. ''humilis'' in the ''

Journal of the Adelaide Botanic Gardens The Adelaide Botanic Garden is a public garden at the north-east corner of the Adelaide city centre, in the Adelaide Park Lands. It encompasses a fenced garden on North Terrace (between Lot Fourteen, the site of the old Royal Adelaide Hospital ...

'', but in 2017 Crisp and Lyn G. Cook, in an article published in ''

Phytotaxa ''Phytotaxa'' is a peer-reviewed scientific journal for rapid publication on any aspect of systematic botany. It publishes on a wide range of subjects, but focuses on new species, monographs, floras, revisions, reviews, and typification issues. ' ...

'', divided that subspecies into two new species, '' Daviesia schwarzenegger'' and ''D. devito''. The specific epithets (''devito'' and ''schwarzenegger'') are references to the main actors in the

Universal Studios Universal Pictures (legally Universal City Studios LLC, also known as Universal Studios, or simply Universal; common metonym: Uni, and formerly named Universal Film Manufacturing Company and Universal-International Pictures Inc.) is an Americ ...

1988 film ''

Twins Twins are two offspring produced by the same pregnancy.MedicineNet > Definition of TwinLast Editorial Review: 19 June 2000 Twins can be either ''monozygotic'' ('identical'), meaning that they develop from one zygote, which splits and forms two em ...

'', ''D. devito'' being the less vigorous of the two.

Distribution and habitat

''Daviesia devito'' usually grows in mallee, sometimes woodland or heathland and is found in scattered populations from the

Eyre Peninsula The Eyre Peninsula is a triangular peninsula in South Australia. It is bounded by the Spencer Gulf on the east, the Great Australian Bight on the west, and the Gawler Ranges to the north. Originally called Eyre’s Peninsula, it was named af ...

in South Australia to western Victoria and to near

Condobolin Condobolin is a town in the west of the Central West region of New South Wales, Australia, on the Lachlan River. At the , Condobolin had a population of 3,486. History Prior to European settlement, the area was inhabited by the Wiradjuri ...

in New South Wales.

References

{{Taxonbar, from=Q42740493 devito Flora of South Australia Flora of Victoria (state) Flora of New South Wales Plants described in 2017 Taxa named by Michael Crisp