So why do Australia's teams and athletes wear yellow and green? The golden wattle — or acacia pycnantha — is yellow (gold) and green while in flower, and is often referenced when the question of why ...

When in flower, the golden wattle displays the national colours, green and gold. As one species of a large genus of flora growing across Australia, the golden wattle is a symbol of unity.

Across the globe, countries have selected flowers that best represent their natural ecosystems, from the resilient Golden Wattle of Australia to the vibrant Rose of the United States. In some ...