Terminalia is a genus of large trees in the Combretaceae family, native to tropical regions. These trees are known for their diverse uses in traditional medicine and for their valuable wood. Many Terminalia species are large trees with a characteristic spreading crown, and they are often deciduous, losing their leaves during the dry season. 

Key features of Terminalia plants:

Size and Habit: Terminalia trees are typically large, reaching heights of 30-50 meters. They have a spreading, often tiered crown. 

Leaves: Leaves are generally large, ovoid, and glossy. They can be deciduous, turning colors before falling. 

Flowers: Flowers are small, often green or white, and are borne in spikes. 

Fruit: Fruits are drupes, sometimes with wings. 

Bark and Wood: Bark can be dark brown and exfoliating or grey and fissured, and the wood is often used for various purposes, says Britannica. 

Uses: Terminalia species are used in traditional medicine, with various species having antibacterial, antifungal, and antioxidant properties. They are also used in Ayurvedic medicine and traditional Chinese medicine, with various species being used for treating a range of ailments. 

Examples: Some well-known Terminalia species include Terminalia catappa (Indian almond), Terminalia arjuna (Arjun tree), and Terminalia chebula (Black murbei),