Acacia pycnantha

Acacia pycnantha, or golden wattle, is an Australian tree with fragrant, bright yellow flower clusters. It has been Australia’s national floral emblem since 1988.

Acacia: Acacia is a genus of trees and shrubs, many native to Australia and characterized by small flowers and often compound leaves. Golden wattle is one of Australia's best-known species in this large genus.
National symbols of Australia: National symbols of Australia are emblems and images used to represent the country and its identity. Golden wattle is the country's national floral emblem.
Endemism: Endemism is the condition of a species being native to and restricted to a particular geographic area. Golden wattle is native to southeastern Australia, though it has also been planted elsewhere.
National floral emblem of Australia: The national floral emblem of Australia is Acacia pycnantha, formally adopted as the country's floral emblem in 1988. This official designation made golden wattle a national symbol.
Phyllode: A phyllode is a flattened leaf stalk that takes over the photosynthetic role of a leaf blade. Golden wattle's adult foliage consists of flattened phyllodes rather than feathery leaves.
Wattle Day: Wattle Day is an Australian observance held on 1 September, associated with flowering wattles and national identity. The flowering season and emblematic status of golden wattle help give the day its meaning.
Southeastern Australia: Southeastern Australia is the country's temperate region, encompassing parts of Victoria, New South Wales, and South Australia. This region contains the species' natural range.
Australian identity: Australian identity is the varied sense of shared belonging associated with Australia and its people. Golden wattle's national symbolism links a native plant with ideas of Australian belonging.
Inflorescence: An inflorescence is a plant's arrangement of flowers on a stem or branch. Its conspicuous yellow display is made of many small flowers grouped in inflorescences.
Australian National Botanic Gardens: The Australian National Botanic Gardens in Canberra cultivate and display native Australian plants. The gardens provide a setting for seeing golden wattle among Australia's native flora.

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Acacia decurrensCompared with: This better-known Australian wattle is a close botanical neighbor, but a distinct species.