1. Leaves: Acacia species typically have small, feathery or fern-like leaves that are often compound, meaning they are made up of multiple leaflets.
2. Flowers: Acacia species produce small, often fragrant flowers that are usually yellow or cream in color. The flowers are typically arranged in clusters or spikes.
3. Thorns: Many Acacia species have thorns or spines on their branches, which serve as a defense mechanism against herbivores.
4. Bark: The bark of Acacia species is often smooth and can range in color from gray to brown.
5. Seed pods: Acacia species produce seed pods that are typically elongated and contain seeds that are dispersed by animals or wind.
6. Growth habit: Acacia species can vary in size and growth habit, with some species growing as small shrubs and others as large trees.
7. Adaptability: Acacia species are known for their ability to thrive in a variety of environments, from arid deserts to tropical rainforests.
8. Nitrogen fixation: Many Acacia species have a symbiotic relationship with nitrogen-fixing bacteria in their roots, allowing them to thrive in nutrient-poor soils.