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

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Rutaceae The Rutaceae is a family, commonly known as the rueRUTACEAE
in BoDD – Botanical Derm ...

and is

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 elsew ...

to tablelands near the

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

border in

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. It is an erect, woody shrub with

pinnate Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in ...

leaves and up to seven white to pink four-

petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...

led flowers in the leaf

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

s. '' Boronia bipinnata'' is similar but has larger,

bipinnate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...

tripinnate Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in ...

leaves and smaller

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 b ...

s and

Description

''Cyanothamnus inflexus'' is an erect, woody shrub that grows to a height of about and a width of about . The leaves are pinnate, long and wide in outline on a petiole long. The end leaflet is linear, long and wide, the side leaflets similar or longer. Up to three, sometimes up to seven white to pink flowers are arranged on a stalk long. The four sepals are triangular, mostly

glabrous Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...

, long and wide. The four petals are long, sometimes with a few hairs. The eight

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s are hairy and the stigma is about the same width as the

style Style is a manner of doing or presenting things and may refer to: * Architectural style, the features that make a building or structure historically identifiable * Design, the process of creating something * Fashion, a prevailing mode of clothing ...

. Flowering occurs from June to December and the fruit are long and wide.

Taxonomy and naming

This species was first formally described in 2003 by Marco F. Duretto and the description was published in the journal '' Muelleria'' from a specimen collected in the

Girraween National Park Girraween National Park is an area of the Granite Belt in the Darling Downs region of Queensland, Australia reserved as a national park. Girraween is known for its spectacular flowers, dramatic landscapes and unique wildlife. Bushwalking and rock ...

. In a 2013 paper in the journal ''

Taxon In biology, a taxon (back-formation from ''taxonomy''; plural 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 nam ...

'',

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 evolut ...

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

cladistic analysis Cladistics (; ) 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 typically shared derived chara ...

. 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 ...

(''inflexus'') is a

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

word referring to the edges of the sepals, near their tip. In the same 2003 paper, Duretto described four new subspecies. The names have subsequently been changed to reflect the change in the genus name: * ''Cyanothamnus inflexus'' Duretto subsp. ''inflexus'' (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 ...

) has its branches and leaves covered with minute, soft hairs, and petals long; * ''Cyanothamnus inflexus'' subsp. ''montiazureus'' is glabrous with the end leaflet long and wide; * ''Cyanothamnus inflexus'' subsp. ''grandiflorus'' has its branches and leaves covered with minute, soft hairs, and petals long; * ''Cyanothamnus inflexus'' subsp. ''torringtonensis'' is glabrous with the end leaflet long and wide.

Distribution and habitat

''Cyanothamnus inflexus'' grows in heath, woodland and forest on granite and in soils derived from granite. Subspecies ''inflexus'' occurs between

Stanthorpe Stanthorpe is a rural town and locality in the Southern Downs Region, Queensland, Australia. In the , Stanthorpe had a population of 5,406 people. The area surrounding the town is known as the Granite Belt. Geography Stanthorpe lies on the New ...

and the Girraween National Park and disjunctly in the

Gibraltar Range National Park Gibraltar Range is a national park in north-eastern New South Wales, Australia, north-east of Glen Innes and north of Sydney. The Park is part of the Washpool and Gibraltar Range area of the World Heritage Site Gondwana Rainforests of Au ...

and subspecies on a small hill near Applethorpe north of Stanthorpe. Subspecies ''grandiflorus'' occurs near

Amiens Amiens (English: or ; ; pcd, Anmien, or ) is a city and commune in northern France, located north of Paris and south-west of Lille. It is the capital of the Somme department in the region of Hauts-de-France. In 2021, the population of ...

and

Lyra Lyra (; Latin for lyre, from Greek ''λύρα'') is a small constellation. It is one of the 48 listed by the 2nd century astronomer Ptolemy, and is one of the modern 88 constellations recognized by the International Astronomical Union. Lyra was ...

and subspecies ''torringtonensis'' is restricted to the Torrington area in

Conservation

''Cyanothamnus inflexus'' subsp. ''montiazureus'' (as ''Boronia inflexa'' subsp. ''montiazura'' is classed as "least concern" under the Queensland Government

Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...

References

{{Taxonbar, from1=Q106902016, from2=Q106902026, from3=Q106902046, from4=Q106902036 inflexus Flora of New South Wales Flora of Queensland Plants described in 2003 Taxa named by Marco Duretto