Acacia macnuttiana

Life-forms

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 macnuttiana
Name

Acacia macnuttiana Maiden & Blakely

Acacia macnuttiana, commonly known as McNutt's wattle,[1][3] is a flowering plant in the family Fabaceae and is endemic to north-eastern New South Wales. It is a shrub with linear phyllodes, spherical heads of bright yellow flowers arranged in racemes in leaf axils and seeds usually in more or less straight, leathery pods.

Description

Acacia macnuttiana is a bushy shrub that typically grows to a height of 1.5–3 m (4 ft 11 in–9 ft 10 in) with finely ribbed, dark coloured branchlets. The phyllodes are narrow linear, 80–150 mm (3.1–5.9 in) long and 2–3 mm (0.079–0.118 in) wide, thin and glabrous. The flowers are arranged in a raceme 10–50 mm (0.39–1.97 in) long with more or less spherical heads of ten to fifteen bright yellow flowers, each head on a peduncle 2–5 mm (0.079–0.197 in) long. Flowering occurs between July and September and the pods are usually more or less straight, oblong to broadly linear, up to 100 mm (3.9 in) long, 10–14 mm (0.39–0.55 in) wide, dark brown and leathery, containing black seeds.[3][4]
Taxonomy and naming

Acacia macnuttiana was first formally described in 1927 by Joseph Maiden and William Blakely in the Journal and Proceedings of the Royal Society of New South Wales from specimens collected in 1913 near the village of Bismuth near Torrington by Andrew McNutt who had been a schoolteacher at Hillgrove.[5][6][7]
Distribution and habitat

McNutt's wattle grows near rivers and along valleys on sandy soils derived from granite from near Torrington to Boonoo Boonoo Falls, near Pindari Dam and the Washpool National Park, in north-eastern New South Wales.[4][8]
Conservation status

This acacia is listed as "Vulnerable" under the Commonwealth EPBC Act, and "Endangered" under the Threatened Species Conservation Act of New South Wales.[8]
See also

List of Acacia species
Fabaceae

References

"Acacia macnuttiana in Species Profile and Threats Database". Department of the Environment. Canberra. 2019. Retrieved 12 December 2019.
"Acacia macnuttiana". Australian Plant Census. Retrieved 19 January 2021.
Cowan, R.S.; Maslin, B.R. (2019). "Acacia macnuttiana Maiden & Blakely". Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 12 December 2019.
Kodela, P.G. (2012). "Acacia mcnuttiana". PlantNet. Retrieved 11 December 2019.
"Acacia mcnuttiana". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
Maiden, J.H.; Blakely, W.F. (1927). "Descriptions of fifteen new acacias and notes on several other species". Journal and Proceedings of the Royal Society of New South Wales. 60: 176., t. XVI (8-14)
Tindale, Mary D. (1975). "Notes on Australian taxa of Acacia No. 4". Telopea. 1 (1): 71.
"Approved Conservation Advice for Acacia macnuttiana (McNutt's wattle)" (PDF). Department of the Environment. Canberra. 2008. Retrieved 12 December 2019.