Acacia densiflora

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Acacia densiflora
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. densiflora
Binomial name
Acacia densiflora
Acacia densifloraDistMap274.png
Occurrence data from AVH
Synonyms [1]
  • Acacia densifloraMorrison isonym
  • Racosperma densiflorum(Morrison) Pedley

Acacia densiflora is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a rounded shrub with terete to compressed or flat and linear phyllodes with a sharp tip, spherical heads of golden yellow flowers and linear, slightly curved, hairy, thinly crust-like pods.

Contents

Description

Acacia densiflora is a rounded shrub that typically grows to a height of 0.4–1.2 m (1–4 ft) and has branchlets covered with tiny matted woolly hairs. Its phyllodes are straight, terete to compressed or flat and linear, 20–50 mm (0.79–1.97 in) long and 1–2 mm (0.039–0.079 in) wide and coarsely to sharply pointed with about 16 parallel yellowish veins and one or two small glands. The flowers are borne in pairs of spherical heads in axils each head 4–5 mm (0.16–0.20 in) in diameter with mostly 15 to 18, rarely up to 25, golden yellow flowers. Flowering occurs from June to September, and the pods are linear, up to 45 mm (1.8 in) long, 2.5 mm (0.098 in) wide, raised over and slightly constricted between the seeds, thinly crust like, with hairs similar to those on the branchlets. The seeds are elliptic, about 3 mm (0.12 in) long and glossy, long black with an aril on the end. [2] [3] [4]

Taxonomy

Acacia densiflora was first formally described in 1912 by Alexabder Morrison in the Scottish Botanical Review from specimens collected near Kellerberrin by Robert Buck Leak (1837–1924). [3] [5] [6] [7] The specific epithet (densiflora) means 'densely-flowered'. [8]

Distribution and habitat

This species of wattle mostly grows in sand and loam in mallee from near Wyalkatchem and Chiddarcooping (about 80 km (50 mi) north-north-east of Merredin) to Ongerup and Frank Hann National Park with an outlying population near Coolgardie, in the Avon Wheatbelt, Coolgardie and Mallee bioregions of south-western Western Australia. [2] [3] [9]

Conservation status

Acacia densiflora is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions. [9]

See also

References

  1. 1 2 "Acacia densiflora". Australian Plant Census. Retrieved 7 September 2025.
  2. 1 2 Cowan, Richard S.; Kodela, Phillip G. "Acacia densiflora". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 8 September 2025.
  3. 1 2 3 "Acacia densiflora". World Wide Wattle. Western Australian Herbarium . Retrieved 10 November 2020.
  4. ↑ "Acacia densiflora". Australian Biological Resources Study. Retrieved 8 September 2025.
  5. ↑ "Acacia densiflora". APNI. Retrieved 8 September 2025.
  6. ↑ "Robert Buck Leake (1837–1924)". National Centre of Biography at the Australian National University. Retrieved 8 September 2025.
  7. ↑ Morrison, Alex (1912). "New or imperfectly described species of Acacia from Western Australia". Scottish Botanical Review. 1 (2): 96. Retrieved 8 September 2025.
  8. ↑ George, Alex S.; Sharr, Francis A. (2023). Western Australian Plant Names and Their Meanings - A Glossary (fifth ed.). Kardinya: Four Gables Press. p. 183. ISBN   9780645629538.
  9. 1 2 "Acacia densiflora". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
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