''Cyanothamnus warangensis'' is a species of erect, woody shrub that is endemic to Queensland. It has bipinnate leaves and groups of between five and twenty-five or more white flowers in 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 ...

Description

''Cyanothamnus warangensis'' is an erect, woody shrub that typically grows to a height of about . It has bipinnate leaves long and wide with between five and seven leaflets on a petiole long. The end leaflet is long and wide and the side leaflets are similar but longer. The flowers are white and are arranged in groups of up between five and twenty-five or more in leaf

s 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 ...

long. The four sepals are egg-shaped, about long and wide and the 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 ...

s are about long. The

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 on their edges and the stigma is minute, scarcely wider than the style. Flowering mainly occurs from March to September and the fruit is a glabrous capsule about long and wide.

Taxonomy and naming

This species was first formally described in 2003 by Marco F. Duretto who gave it the name ''Boronia warangensis'' in the journal '' Muelleria'' from a specimen collected in the Warang section of the White Mountains National Park. In a 2013 paper in the journal '' Taxon'',

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 warangensis'' on the basis of cladistic analysis. 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 ...

(''warangensis'') refers to type location.

Distribution and habitat

''Cyanothamnus warangensis'' is confined to the White Mountains National Park where it grows in scrub or woodland in sandstone country.

Conservation

''Cyanothamnus warangensis'' (as ''Boronia warangensis'') is listed as of "least concern" by the Queensland Government Department of Environment and Science.

References

{{Taxonbar, from=Q106902289 warangensis Flora of Queensland Plants described in 2003 Taxa named by Marco Duretto