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Acacia blayana flowering

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Caesalpinioideae
Tribus: Acacieae
Genus: Acacia
Species: Acacia blayana
Name

Acacia blayana Tindale & Court, 1990
Synonyms

Racosperma blayanum (Tindale & Court) Pedley

Distribution
Native distribution areas:
References
Primary references

Tindale, M.D. & Court, A.B., 1990. Telopea; Contributions from the National Herbarium of New South Wales 4: 109, 111

Links

Govaerts, R. et al. 2020. Acacia blayana in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jul 26. Reference page.
International Plant Names Index. 2019. Acacia blayana. Published online. Accessed: Jul 26 2019.
Tropicos.org 2019. Acacia blayana. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 26.
Hassler, M. Jul. Acacia blayana. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. Jul. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: Jul 26 {{{3}}}. Reference page.

Vernacular names
English: Blay's wattle, Brogo wattle

Acacia blayana, commonly known as Blay's wattle[1] or Brogo wattle,[2] is a tree of the genus Acacia that is native to south eastern Australia.

Description

The tree typically grows to a height of 25 metres (82 ft) with a dbh of around 36 centimetres (14 in)[3] and has an erect habit with smooth dark grey bark.[1] The terete branchlets angle upward and are green, brown or purplish in colour.[3] The leaf and petiole are usually 1.3 to 4.5 centimetres (0.51 to 1.77 in) in length and is sparsely haired to glabrous. The pinnae occur in pair of two to four with a length 4 to 8 cm (1.6 to 3.1 in). The pinnules occur in pairs of 6 to 14 and have a narrow elliptic or narrow oblanceolate shape with a length of 10 to 34 millimetres (0.39 to 1.34 in) and a width of 1.5 to 4 mm (0.059 to 0.157 in). The inflorescences occur in panicles with globose heads with a diameter of 5 to 9 mm (0.197 to 0.354 in) containing 12 to 30 bright yellow flowers. Flowering occurs in spring between September and October.[1] Between November and December after flowering brown, bluish or purplish brown[3] leathery seed pods form that are flat and straight or slightly curved with a length of 4 to 11.5 cm (1.6 to 4.5 in) and 7 to 11 mm (0.276 to 0.433 in) wide.[1]
Taxonomy

The species was first formally described by the botanists Mary Tindale and Arthur Bertram Court in 1990 as part of the work Acacia blayana, a new species from the South Coast of New South Wales (Acacia sect. Botrycephalae: Fabaceae) as published in the journal Telopea. It was later reclassified as Racosperma blayanum by Leslie Pedley in 2003 then returned to the genus Acacia in 2006.[4] The type specimen was collected by John Blay in 1982 in the Brogo River catchment to the west of Cobargo.[3] The species is named for the author and collector John Blay.[1]
Distribution

A. blayana is found only on the eastern side of the Great Dividing Range at Wadbilliga National Park in steep mountainous country.[3] The habitat is shallow rocky soils with relatively tall eucalyptus trees nearby. It is a rare plant with a ROTAP rating of 2RC-.[1] It occurs in pure stands and is sometimes associated with Acacia mearnsii or with species of Eucalyptus and Tristaniopsis laurina.[3]
See also

List of Acacia species

References

" Acacia blayana". PlantNET - NSW Flora Online. Royal Botanic Gardens, Sydney. Retrieved 1 November 2010.
John Blay. "Green's hole". South East Forests. Retrieved 6 September 2018.
"Acacia blayana". World Wide Wattle. Western Australian Herbarium. Retrieved 6 September 2018.
"Acacia blayana Tindale & Court". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 6 September 2018.

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