''Cyanothamnus fabianoides'' is a plant in the citrus

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Rutaceae The Rutaceae () is a family (biology), family, commonly known as the rueRUTACEAE
in Bo ...

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 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—each ...

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 ...

. It is a compact shrub with many branches,

simple Simple or SIMPLE may refer to: *Simplicity, the state or quality of being simple Arts and entertainment * ''Simple'' (album), by Andy Yorke, 2008, and its title track * "Simple" (Florida Georgia Line song), 2018 * "Simple", a song by John ...

, more or less cylindrical leaves and single white, pink or pale blue four-

petal Petals are modified leaves that form an inner whorl surrounding the reproductive parts of flowers. They are often brightly coloured or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corol ...

led flowers in the leaf

axil A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, fl ...

Description

''Cyanothamnus fabianoides'' is a compact, multi-branched shrub that grows to a height of . The leaves are simple, more or less cylindrical long with a channel on the upper surface and often bunched. The flowers are white, pink or pale blue and are borne singly in leaf axils on a fleshy

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. The four

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 fleshy, narrow triangular to egg-shaped and long. The four

s are broadly elliptic, long and thickened-

glandular A gland is a cell or an organ in an animal's body that produces and secretes different substances that the organism needs, either into the bloodstream or into a body cavity or outer surface. A gland may also function to remove unwanted substance ...

along the mid-line. The eight

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s are hairy.

Taxonomy and naming

This boronia was first formally described in 1904 by

Ludwig Diels Friedrich Ludwig Emil Diels (24 September 1874 – 30 November 1945) was a German botanist. Diels was born in Hamburg, the son of the classical scholar Hermann Alexander Diels. From 1900 to 1902 he traveled together with Ernst Georg Pritzel thro ...

who gave it the name ''Eriostemon fabianoides'' and published the description in ''Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie''. 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 ...

(''fabianoides'') means "similar to a species of '' Fabiana''". In a 2013 paper in the journal ''

Taxon In biology, a taxon (back-formation from ''taxonomy''; : taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and ...

'',

Marco Duretto Marco Duretto (born 1964) is a manager and senior research scientist at the Royal Botanic Gardens Sydney in Australia. His primary research interests are systematics and conservation of Rutaceae, Rubiaceae, Orchidaceae, Stylidiaceae and evoluti ...

and others changed the name to ''Cyanothamnus fabianoides'' on the basis of

cladistic analysis Cladistics ( ; from Ancient Greek 'branch') is an approach to biological classification in which organisms are categorized in groups ("clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships is ...

. In 1998 Paul G. Wilson had described two subspecies. The names have subsequently been changed to reflect the change in the genus name: * ''Cyanothamnus fabianoides'' subsp. ''fabianoides'' (the

autonym Autonym may refer to: * Autonym, the name used by a person to refer to themselves or their language; see Exonym and endonym * Autonym (botany), an automatically created infrageneric or infraspecific name See also * Nominotypical subspecies, in zo ...

) grows to a height and has white petals long with a green midrib; * ''Cyanothamnus fabianoides'' subsp. ''roseus'' grows to a height of about and has white petals with a pink midrib.

Distribution and habitat

Subspecies ''fabianoides'' grows in eucalypt woodland between

Norseman The Norsemen (or Northmen) were a cultural group in the Early Middle Ages, originating among speakers of Old Norse in Scandinavia. During the late eighth century, Scandinavians embarked on a large-scale expansion in all directions, giving ris ...

and the Esperance area but subspecies ''rosea'' grows on hillslopes, around granite rocks and undulating plains between

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 ...

and the Fraser Range east of Norseman.

Conservation

Both subspecies of ''C. fabianoides'' are classified as "not threatened" by the Western Australian Government

Department of Parks and Wildlife The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and en ...

References

{{Taxonbar, from1=Q106901972, from2=Q106901992 fabianoides Flora of Western Australia Plants described in 1904 Taxa named by Ludwig Diels