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Boronia acanthoclada Paul G. Wilson

Cyanothamnus acanthocladus

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Cyanothamnus acanthocladus is a plant in the citrus family, Rutaceae and is endemic to a small area in the south-west of Western Australia. It is a low, prickly shrub with small leaves and white, four-petalled flowers.

Description

Cyanothamnus acanthocladus is a shrub that grows to a height of about 0.3 m (1 ft) with spreading branches and spiny branchlets. Its leaves are narrow egg-shaped with the narrower end towards the base, 3–6 mm (0.1–0.2 in) long and often clustered on the older wood. The flowers are white and are borne on the ends of short shoots on a pedicel 2–3 mm (0.08–0.1 in) long. The four sepals are narrow triangular, fleshy, glabrous and about 2 mm (0.08 in) long. The four petals are elliptic and about 4 mm (0.2 in) long and the eight stamens are hairy. Flowering occurs in September.[2][3]

Taxonomy and naming

This species was first formally described in 1998 by Paul G. Wilson and given the name Boronia acanthoclada in Nuytsia from a specimen collected in the Frank Hann National Park.[4] In a 2013 paper in the journal Taxon Marco Duretto and others changed the name to Cyanothamnus acanthocladus on the basis of cladistic analysis.[5] The specific epithet (acanthocladus) is derived from latinized Greek, acantho- meaning 'spiny' and cladus 'a branch'.[2]

Distribution and habitat

Cyanothamnus acanthocladus grows in sand over gravel and is only known from the type collection.[3]

Conservation

Cyanothamnus acanthocladus (as Boronia acanthoclada) is classified as "Priority Two" by the Western Australian Government Department of Parks and Wildlife[3] meaning that it is poorly known and from only one or a few locations.[6]

References

  1. ^ a b "Cyanothamnus acanthocladus". Plants of the World Online. Retrieved 21 September 2021.
  2. ^ a b Wilson, Paul G. (1998). "New names and new taxa in the genus Boronia (Rutaceae) from Western Australia, with notes on seed characters". Nuytsia. 12 (1): 146–147. Retrieved 20 February 2019.
  3. ^ a b c "Cyanothamnus acanthocladus". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ^ "Boronia acanthoclada". APNI. Retrieved 20 February 2019.
  5. ^ 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.
  6. ^ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 20 February 2019.
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Cyanothamnus acanthocladus: Brief Summary

provided by wikipedia EN

Cyanothamnus acanthocladus is a plant in the citrus family, Rutaceae and is endemic to a small area in the south-west of Western Australia. It is a low, prickly shrub with small leaves and white, four-petalled flowers.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN