Acacia aciphylla

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Acacia aciphylla
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Acacia
Species:
A. aciphylla
Binomial name
Acacia aciphylla
Acacia aciphyllaDistMap8.png
Occurrence data from AVH
Synonyms [1]
  • Acacia aciphyllaBenth. var. aciphylla
  • Racosperma aciphyllum(Benth.) Pedley

Acacia aciphylla is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a bushy, prickly shrub with down-turned, rigid, sharply-pointed phyllodes, flowers arranged in oval heads usually arranged in pairs in leaf axils, and linear pods up to 90 mm (3.5 in) long.

Contents

Description

The shrub is prickly with a dense and bushy habit typically growing to a height of 0.6 to 1.8 metres (2 to 6 ft). [2] It has glabrous branchlets and phyllodes. The sessile phyllodes are decurrent on branchlets. They are rigid, erect, straight and terete to slightly rhombic in cross-section. Each phyllode is 6 to 12 centimetres (2.4 to 4.7 in) in length with a diameter of about 1.5 millimetres (0.06 in). [3] It flowers from July to September producing densely packed golden-yellow flowers. The inflorescences are simple with two found 2 per axil. The heads of each inflorescence has an obloid shape and are about 6 to 9 millimetres (0.24 to 0.35 in) in length with a diameter of around 2 mm (0.08 in). Following flowering, seed pods are produced that have a linear shape that is slightly raised between seeds. the pods are straight with a length of about 9 cm (4 in) and a width of 2.5 mm (0.10 in). [2] [3] [4]

Taxonomy

The species was first formally described by the botanist George Bentham in 1855 in the journal Linnaea: Ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde. [5] [6] The specific epithet, (aciphylla) derives from the Latin, acinaces, meaning 'a short Persian sabre', and the Greek, phyllon, meaning 'leaf', [7] and refers to the sharply-pointed leaves. [8]

Distribution and habitat

The plant grows in sandy, loamy and lateritic soils and on granite outcrops and rocky ridges [2] in mixed shrub-land communities. It has a broken distribution between Kalbarri, Mullewa and Morawa. [3]

See also

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References

  1. 1 2 "Acacia aciphylla". Australian Plant Census. Retrieved 3 January 2024.
  2. 1 2 3 "Acacia aciphylla". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 3 "Acacia aciphylla". WorldWideWattle. Department of Parks and Wildlife . Retrieved 26 March 2018.
  4. "Acacia aciphylla". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 31 December 2023.
  5. "Acacia aciphylla". Australian Plant Name Index. Retrieved 3 January 2024.
  6. Bentham, George (1855). "Plantae Muellerianae: Mimoseae". Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde. 26 (5): 627–628. Retrieved 3 January 2024.
  7. "acinaciphyllus,-a,-um". plantillustrations.org. Retrieved 2024-11-12.
  8. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 126. ISBN   9780958034180.