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Cyanothamnus bussellianus

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(Redirected from Boronia busselliana) Species of flowering plant

Cyanothamnus bussellianus
Cyanothamnus bussellianus in Wandoo National Park
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Cyanothamnus
Species: C. bussellianus
Binomial name
Cyanothamnus bussellianus
(F.Muell.) Duretto & Heslewood
Occurrence data from Australasian Virtual Herbarium
Synonyms

Boronia busselliana F.Muell.

Habit near Woodanilling

Cyanothamnus bussellianus is a plant in the citrus family, Rutaceae and is endemic to the south-west of Western Australia. It is a slender perennial herb or shrub with well-spaced, simple leaves and pink, blue or white, four-petalled flowers.

Description

Cyanothamnus bussellianus is a slender perennial herb or shrub that grows to a height of 20–40 cm (8–20 in). Its branches, leaves and flowers are glabrous. The leaves are simple, often fall off early and are well spaced, cylindrical and up to 12 mm (0.5 in) long. The flowers are borne singly or in groups of up to three in leaf axils on a pedicel 5–10 mm (0.2–0.4 in) long. The four sepals are egg-shaped with a fleshy centre and 2–2.5 mm (0.08–0.1 in) long. The four petals are elliptic, pink, blue or white on the upper surface and green or pink below, 8–12 mm (0.31–0.47 in) long with prominent pimply glands. The eight stamens and the style are thin and hairless. Flowering occurs from September to October.

Taxonomy and naming

Cyanothamnus bussellianus was first formally described in 1875 by Ferdinand von Mueller who gave it the name Boronia busselliana in Fragmenta phytographiae Australiae. The type specimen was collected by Charlotte Harriet Bussell near the port in Geographe Bay. In a 2013 paper in the journal Taxon, Marco Duretto and others changed the name to Cyanothamnus bussellianus on the basis of cladistic analysis. The specific epithet (bussellianus) honours the collector of the type specimen.

Distribution and habitat

This boronia grows on rises and outcrops in gravel or over laterite between Eneabba and Ongerup in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee and Swan Coastal Plain biogeographic regions.

Conservation

Cyanothamnus bussellianus is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.

References

  1. ^ "Cyanothamnus bussellianus". Plants of the World Online. Retrieved 21 September 2021.
  2. ^ Duretto, Marco F.; Wilson, Paul G.; Ladiges, Pauline Y. "Boronia busselliana". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 5 March 2019.
  3. ^ "Cyanothamnus bussellianus". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. "Boronia busselliana". APNI. Retrieved 5 February 2019.
  5. von Mueller, Ferdinand (1875). Fragmenta phytographiae Australiae. Vol. 9. pp. 113–114. Retrieved 5 March 2019.
  6. Duretto, Marco F.; Heslewood, Margaret M.; Bayly, Michael J. (2020). "Boronia (Rutaceae) is polyphyletic: Reinstating Cyanothamnus and the problems associated with inappropriately defined outgroups". Taxon. 69 (3): 481–499. doi:10.1002/tax.12242. S2CID 225836058.
  7. Maroske, Sara; Vaughan, Alison (2014). "Ferdinand Mueller's female plant collectors: a biographical register". Muelleria. 32: 106–107. Retrieved 7 June 2021.
  8. "Bussell, Charlotte Harriet (1858 - 1926)". Australian National Herbarium.
Taxon identifiers
Cyanothamnus bussellianus
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